Alopecia.pptx
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Alopecia areata is a disease that happens when the immune system attacks hair follicles and causes hair loss. Hair follicles are the structures in skin that form hair. While hair can be lost from any part of the body, alopecia areata usually affects the head and face
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Skin Pigmentation disorders and its management .pptx
Some of the most common are pigmented birthmarks, macular stains, hemangiomas, port wine stains, while disorders include albinism, melasma, vitiligo and pigmentation loss due to skin damage. Birthmarks and other skin pigmentation (coloration) disorders affect many people.
Skin pigmentation disorders are conditions that affect the color of the skin. Some common types of skin pigmentation disorders include:
Pigmented birthmarks
Macular stains
Hemangiomas
Port wine stains
Albinism
Melasma
Vitiligo
Skin pigment loss due to sun damage
Other factors that can affect skin pigmentation include: Pregnancy, Addison's disease, Sun exposure.
Some treatments for skin pigmentation disorders include:
Over-the-counter or prescription creams
Topical pimecrolimus or tacrolimus
Light therapy
Melanocytes in the basal epidermis control skin pigmentation through synthesis of melanin, a complex process thought to be primarily regulated by alpha-melanocyte stimulating hormone (αMSH)
Light therapy exposes your skin to a type of ultraviolet (UV) light that can restore your natural skin color. If a large area of your body needs treatment, your dermatologist may prescribe a type of light therapy called phototherapy. During phototherapy, you expose your skin to UV light for a specific amount of time.
Dermatological testing as perBISpecification.pptx
Bureau of Indian Standards (BIS) is the National Standard Body of India.
BIS is responsible for the harmonious development of the activities of standardization, marking and quality certification of goods and for matters connected therewith or incidental thereto.
BIS through its core activities of standardization and conformity assessment, has been benefiting the national economy by providing safe, reliable and quality goods; minimizing health hazards to consumers; protecting the environment, promoting exports and imports substitute; controlling over proliferation of varieties etc.
Dermatological testing assesses a product's potential to cause skin irritation or allergic reactions. A product is considered dermatologically tested if a qualified dermatologist supervises the testing and verifies the results. Some dermatological tests include: Repeat-insult patch testing: Stability testing: Cosmetics toxicology test:
Pharmacology in Cosmetic Technology
Cosmetic pharmacology refers to the use of drugs to improve cognition in normal healthy individuals, for the purpose of enhancement rather than treatment of a formal pathology.
Some case reports with the antidepressant Prozac indicated that patients seemed "better than well," and authors hypothesized that this effect might be observed in individuals not afflicted with psychiatric disorders.
Following these case reports much controversy arose over the veracity and ethics of the cosmetic use of these antidepressants.
Opponents of cosmetic pharmacology state that such drug use is unethical and dangerous, and that the concept of cosmetic pharmacology is a manifestation of naive consumerism resulting from pharmaceutical marketing campaigns.
Proponents state that drugs used to treat many pathologies are just as dangerous, it is an individual's (rather than government's, or physician's) decision whether to use a drug for cosmetic purposes, and there are few if any legitimate ethical qualms with cosmetic pharmacology.
THE URINARY SYSTEM.pptx
Thousands of metabolic processes in myriad body cells produce hundreds of waste products.
The urinary system removes them by filtering and cleansing the blood as it passes through the kidneys.
Another vital function is the regulation of the volume, acidity, salinity, concentration, and chemical composition of blood, lymph, and other body fluids. Under hormonal control, the kidneys continually monitor what they release into the urine to maintain a healthy chemical balance.
The cardiovascular system.pptx
A closed system of the heart and blood vessels
The heart pumps blood
Blood vessels allow blood to circulate to all parts of the body
The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products
The heart contributes to homeostasis by pumping blood through blood vessels to the tissues of the body to deliver oxygen and nutrients and remove wastes.
Blood to reach body cells and exchange materials with them, it must be pumped continuously by the heart through the body’s blood vessels.
The heart beats about 100,000 times every day, which adds up to about 35 million beats in a year, and approximately 2.5 billion times in an average lifetime.
The left side of the heart pumps blood through an estimated 100,000 km (60,000 mi) of blood vessels, which is equivalent to traveling around the earth’s equator about three times.
The right side of the heart pumps blood through the lungs, enabling blood to pick up oxygen and unload carbon dioxide.
Nervous System.ppt
Nervous System
Your nervous system is your body’s command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing and sexual development (puberty). Diseases, accidents, toxins and the natural aging process can damage your nervous system.
nervous system uses specialized cells called neurons to send signals, or messages, all over your body. These electrical signals travel between your brain, skin, organs, glands and muscles.
The messages help you move your limbs and feel sensations, such as pain. Your eyes, ears, tongue, nose and the nerves all over your body take in information about your environment. Then nerves carry that data to and from your brain.
Different kinds of neurons send different signals. Motor neurons tell your muscles to move. Sensory neurons take information from your senses and send signals to your brain. Other types of neurons control the things your body does automatically, like breathing, shivering, having a regular heartbeat and digesting food.
ANATOMY :The nervous system has two main parts. Each part contains billions of cells called neurons, or nerve cells. These special cells send and receive electrical signals through your body to tell it what to do.
The main parts of the nervous system are:
Central nervous system (CNS): Your brain and spinal cord make up your CNS. Your brain uses your nerves to send messages to the rest of your body. Each nerve has a protective outer layer called myelin. Myelin insulates the nerve and helps the messages get through.
Peripheral nervous system: Your peripheral nervous system consists of many nerves that branch out from your CNS all over your body. This system relays information from your brain and spinal cord to your organs, arms, legs, fingers and toes. Your peripheral nervous system contains your:
Somatic nervous system, which guides your voluntary movements.
Autonomic nervous system, which controls the activities you do without thinking about them.
housands of disorders and conditions can affect your nerves. An injured nerve has trouble sending a message. Sometimes it’s so damaged that it can’t send or receive a message at all. Nerve injury can cause numbness, a pins-and-needles feeling or pain. It may be difficult or impossible for you to move the area that’s injured.
Skin.pptx
Skin is the largest organ in the body and covers the body's entire external surface. It is made up of three layers, the epidermis, dermis, and the hypodermis, all three of which vary significantly in their anatomy and function. The skin's structure is made up of an intricate network which serves as the body’s initial barrier against pathogens, UV light, and chemicals, and mechanical injury. It also regulates temperature and the amount of water released into the environment. This article discusses the relevant anatomical structures of the skin’s epidermal layer, its structure, function, embryology, vascular supply, innervation, surgical considerations, and clinical relevance.
Skin Thickness
The thickness of each layer of the skin varies depending on body region and categorized based on the thickness of the epidermal and dermal layers. Hairless skin found in the palms of the hands and soles of the feet is thickest because the epidermis contains an extra layer, the stratum lucidum. The upper back is considered thickest based on the thickness of the dermis, but it is considered “thin skin” histologically because the epidermal thickness lacks the stratum lucidum layer and is thinner than hairless skin.
Layers of Epidermis
The layers of the epidermis include the stratum basale (the deepest portion of the epidermis), stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum (the most superficial portion of the epidermis).
Stratum basale, also known as stratum germinativum, is the deepest layer, separated from the dermis by the basement membrane (basal lamina) and attached to the basement membrane by hemidesmosomes. The cells found in this layer are cuboidal to columnar mitotically active stem cells that are constantly producing keratinocytes. This layer also contains melanocytes.
Stratum spinosum, 8-10 cell layers, also known as the prickle cell layer contains irregular, polyhedral cells with cytoplasmic processes, sometimes called “spines”, that extend outward and contact neighboring cells by desmosomes. Dendritic cells can be found in this layer.
Stratum granulosum, 3-5 cell layers, contains diamond shaped cells with keratohyalin granules and lamellar granules. Keratohyalin granules contain keratin precursors that eventually aggregate, crosslink, and form bundles. The lamellar granules contain the glycolipids that get secreted to the surface of the cells and function as a glue, keeping the cells stuck together.
Stratum lucidum, 2-3 cell layers, present in thicker skin found in the palms and soles, is a thin clear layer consisting of eleidin which is a transformation product of keratohyalin.
Stratum corneum, 20-30 cell layers, is the uppermost layer, made up of keratin and horny scales made up of dead keratinocytes, known as anucleate squamous cells. This is the layer which varies most in thickness, especially in callused skin. Within this layer, the dead keratinocytes secrete defensins which are part of our first immune
Tissue.pptx
Definition :
Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells.
Histology (his′-TOL-oˉ-jē; histo- = tissue; logy = study of) is the science that deals with the study of tissues.
A pathologist (pa-THOL-oˉ - jist; patho- = disease) is a physician who examines cells and tissues to help other physicians make accurate diagnoses.
1. Epithelial tissue covers body surfaces and lines hollow organs, body cavities, and ducts; it also forms glands. This tissue allows the body to interact with both its internal and external environments.
2. Connective tissue protects and supports the body and its organs. Various types of connective tissues bind organs together, store energy reserves as fat, and help provide the body with immunity to disease-causing organisms.
3. Muscular tissue is composed of cells specialized for contraction and generation of force. In the process, muscular tissue generates heat that warms the body.
4. Nervous tissue detects changes in a variety of conditions inside and outside the body and responds by generating electrical signals called nerve action potentials (nerve impulses) that activate muscular contractions and glandular secretions.
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Skin Pigmentation disorders and its management .pptx
Some of the most common are pigmented birthmarks, macular stains, hemangiomas, port wine stains, while disorders include albinism, melasma, vitiligo and pigmentation loss due to skin damage. Birthmarks and other skin pigmentation (coloration) disorders affect many people.
Skin pigmentation disorders are conditions that affect the color of the skin. Some common types of skin pigmentation disorders include:
Pigmented birthmarks
Macular stains
Hemangiomas
Port wine stains
Albinism
Melasma
Vitiligo
Skin pigment loss due to sun damage
Other factors that can affect skin pigmentation include: Pregnancy, Addison's disease, Sun exposure.
Some treatments for skin pigmentation disorders include:
Over-the-counter or prescription creams
Topical pimecrolimus or tacrolimus
Light therapy
Melanocytes in the basal epidermis control skin pigmentation through synthesis of melanin, a complex process thought to be primarily regulated by alpha-melanocyte stimulating hormone (αMSH)
Light therapy exposes your skin to a type of ultraviolet (UV) light that can restore your natural skin color. If a large area of your body needs treatment, your dermatologist may prescribe a type of light therapy called phototherapy. During phototherapy, you expose your skin to UV light for a specific amount of time.
Dermatological testing as perBISpecification.pptx
Bureau of Indian Standards (BIS) is the National Standard Body of India.
BIS is responsible for the harmonious development of the activities of standardization, marking and quality certification of goods and for matters connected therewith or incidental thereto.
BIS through its core activities of standardization and conformity assessment, has been benefiting the national economy by providing safe, reliable and quality goods; minimizing health hazards to consumers; protecting the environment, promoting exports and imports substitute; controlling over proliferation of varieties etc.
Dermatological testing assesses a product's potential to cause skin irritation or allergic reactions. A product is considered dermatologically tested if a qualified dermatologist supervises the testing and verifies the results. Some dermatological tests include: Repeat-insult patch testing: Stability testing: Cosmetics toxicology test:
Pharmacology in Cosmetic Technology
Cosmetic pharmacology refers to the use of drugs to improve cognition in normal healthy individuals, for the purpose of enhancement rather than treatment of a formal pathology.
Some case reports with the antidepressant Prozac indicated that patients seemed "better than well," and authors hypothesized that this effect might be observed in individuals not afflicted with psychiatric disorders.
Following these case reports much controversy arose over the veracity and ethics of the cosmetic use of these antidepressants.
Opponents of cosmetic pharmacology state that such drug use is unethical and dangerous, and that the concept of cosmetic pharmacology is a manifestation of naive consumerism resulting from pharmaceutical marketing campaigns.
Proponents state that drugs used to treat many pathologies are just as dangerous, it is an individual's (rather than government's, or physician's) decision whether to use a drug for cosmetic purposes, and there are few if any legitimate ethical qualms with cosmetic pharmacology.
THE URINARY SYSTEM.pptx
Thousands of metabolic processes in myriad body cells produce hundreds of waste products.
The urinary system removes them by filtering and cleansing the blood as it passes through the kidneys.
Another vital function is the regulation of the volume, acidity, salinity, concentration, and chemical composition of blood, lymph, and other body fluids. Under hormonal control, the kidneys continually monitor what they release into the urine to maintain a healthy chemical balance.
The cardiovascular system.pptx
A closed system of the heart and blood vessels
The heart pumps blood
Blood vessels allow blood to circulate to all parts of the body
The function of the cardiovascular system is to deliver oxygen and nutrients and to remove carbon dioxide and other waste products
The heart contributes to homeostasis by pumping blood through blood vessels to the tissues of the body to deliver oxygen and nutrients and remove wastes.
Blood to reach body cells and exchange materials with them, it must be pumped continuously by the heart through the body’s blood vessels.
The heart beats about 100,000 times every day, which adds up to about 35 million beats in a year, and approximately 2.5 billion times in an average lifetime.
The left side of the heart pumps blood through an estimated 100,000 km (60,000 mi) of blood vessels, which is equivalent to traveling around the earth’s equator about three times.
The right side of the heart pumps blood through the lungs, enabling blood to pick up oxygen and unload carbon dioxide.
Nervous System.ppt
Nervous System
Your nervous system is your body’s command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing and sexual development (puberty). Diseases, accidents, toxins and the natural aging process can damage your nervous system.
nervous system uses specialized cells called neurons to send signals, or messages, all over your body. These electrical signals travel between your brain, skin, organs, glands and muscles.
The messages help you move your limbs and feel sensations, such as pain. Your eyes, ears, tongue, nose and the nerves all over your body take in information about your environment. Then nerves carry that data to and from your brain.
Different kinds of neurons send different signals. Motor neurons tell your muscles to move. Sensory neurons take information from your senses and send signals to your brain. Other types of neurons control the things your body does automatically, like breathing, shivering, having a regular heartbeat and digesting food.
ANATOMY :The nervous system has two main parts. Each part contains billions of cells called neurons, or nerve cells. These special cells send and receive electrical signals through your body to tell it what to do.
The main parts of the nervous system are:
Central nervous system (CNS): Your brain and spinal cord make up your CNS. Your brain uses your nerves to send messages to the rest of your body. Each nerve has a protective outer layer called myelin. Myelin insulates the nerve and helps the messages get through.
Peripheral nervous system: Your peripheral nervous system consists of many nerves that branch out from your CNS all over your body. This system relays information from your brain and spinal cord to your organs, arms, legs, fingers and toes. Your peripheral nervous system contains your:
Somatic nervous system, which guides your voluntary movements.
Autonomic nervous system, which controls the activities you do without thinking about them.
housands of disorders and conditions can affect your nerves. An injured nerve has trouble sending a message. Sometimes it’s so damaged that it can’t send or receive a message at all. Nerve injury can cause numbness, a pins-and-needles feeling or pain. It may be difficult or impossible for you to move the area that’s injured.
Skin.pptx
Skin is the largest organ in the body and covers the body's entire external surface. It is made up of three layers, the epidermis, dermis, and the hypodermis, all three of which vary significantly in their anatomy and function. The skin's structure is made up of an intricate network which serves as the body’s initial barrier against pathogens, UV light, and chemicals, and mechanical injury. It also regulates temperature and the amount of water released into the environment. This article discusses the relevant anatomical structures of the skin’s epidermal layer, its structure, function, embryology, vascular supply, innervation, surgical considerations, and clinical relevance.
Skin Thickness
The thickness of each layer of the skin varies depending on body region and categorized based on the thickness of the epidermal and dermal layers. Hairless skin found in the palms of the hands and soles of the feet is thickest because the epidermis contains an extra layer, the stratum lucidum. The upper back is considered thickest based on the thickness of the dermis, but it is considered “thin skin” histologically because the epidermal thickness lacks the stratum lucidum layer and is thinner than hairless skin.
Layers of Epidermis
The layers of the epidermis include the stratum basale (the deepest portion of the epidermis), stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum (the most superficial portion of the epidermis).
Stratum basale, also known as stratum germinativum, is the deepest layer, separated from the dermis by the basement membrane (basal lamina) and attached to the basement membrane by hemidesmosomes. The cells found in this layer are cuboidal to columnar mitotically active stem cells that are constantly producing keratinocytes. This layer also contains melanocytes.
Stratum spinosum, 8-10 cell layers, also known as the prickle cell layer contains irregular, polyhedral cells with cytoplasmic processes, sometimes called “spines”, that extend outward and contact neighboring cells by desmosomes. Dendritic cells can be found in this layer.
Stratum granulosum, 3-5 cell layers, contains diamond shaped cells with keratohyalin granules and lamellar granules. Keratohyalin granules contain keratin precursors that eventually aggregate, crosslink, and form bundles. The lamellar granules contain the glycolipids that get secreted to the surface of the cells and function as a glue, keeping the cells stuck together.
Stratum lucidum, 2-3 cell layers, present in thicker skin found in the palms and soles, is a thin clear layer consisting of eleidin which is a transformation product of keratohyalin.
Stratum corneum, 20-30 cell layers, is the uppermost layer, made up of keratin and horny scales made up of dead keratinocytes, known as anucleate squamous cells. This is the layer which varies most in thickness, especially in callused skin. Within this layer, the dead keratinocytes secrete defensins which are part of our first immune
Tissue.pptx
Definition :
Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells.
Histology (his′-TOL-oˉ-jē; histo- = tissue; logy = study of) is the science that deals with the study of tissues.
A pathologist (pa-THOL-oˉ - jist; patho- = disease) is a physician who examines cells and tissues to help other physicians make accurate diagnoses.
1. Epithelial tissue covers body surfaces and lines hollow organs, body cavities, and ducts; it also forms glands. This tissue allows the body to interact with both its internal and external environments.
2. Connective tissue protects and supports the body and its organs. Various types of connective tissues bind organs together, store energy reserves as fat, and help provide the body with immunity to disease-causing organisms.
3. Muscular tissue is composed of cells specialized for contraction and generation of force. In the process, muscular tissue generates heat that warms the body.
4. Nervous tissue detects changes in a variety of conditions inside and outside the body and responds by generating electrical signals called nerve action potentials (nerve impulses) that activate muscular contractions and glandular secretions.
Cell Communication.pptx
In biology, cell signaling or cell communication is the ability of a cell to receive, process, and transmit signals with its environment and with itself.
ell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes .
Signals that originate from outside a cell (or extracellular signals) can be physical agents like mechanical pressure, voltage, temperature, light, or chemical signals (e.g., small molecules, peptides, or gas).Signaling molecules can be synthesized from various biosynthetic pathways and released through passive or active transports, or even from cell damage.
Receptors play a key role in cell signaling as they are able to detect chemical signals or physical stimuli.
Receptors are generally proteins located on the cell surface or within the interior of the cell such as the cytoplasm, organelles, and nucleus.
Cell surface receptors usually bind with extracellular signals (or ligands), which causes a conformational change in the receptor that leads it to initiate enzymic activity, or to open or close ion channel activity. Some receptors do not contain enzymatic or channel-like domains but are instead linked to enzymes or transporters.
Other receptors like nuclear receptors have a different mechanism such as changing their DNA binding proper properties and cellular localization to the nucleus.
Cell and their function.pptx
Structure and functions of cell, transport across cell membrane, cell
division, cell junctions. General principles of cell communication,
the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
The basic tenets of the cell theory are as follows:
All living things are made up of one or more cells.
The cell is the structural and functional unit of all living things.
Cells come from pre-existing cells through the process of division.
All cells are the same in regard to chemical composition.
Cells also communicate with each other. Whether in plants, humans, or animals, they connect to create a solid, well formed organism. In humans, cells build tissues, tissues form organs, and organs work together to keep the body alive.
Experts estimate that there are around 200Trusted Source cell types in the human body.
5.Allergy.pptx
Allergies are the result of your immune system's response to a substance. Immune responses can be mild, from coughing and a runny nose, to a life-threatening reaction know as anaphylaxis.
A person becomes allergic when their body develops antigens against a substance
The purpose of the immune system is to defend itself and keep microorganisms, such as certain bacteria, viruses, and fungi, out of the body, and to destroy any infectious microorganisms that do invade the body.
The immune system is made up of a complex and vital network of cells and organs that protect the body from infection.
The organs involved with the immune system are called the lymphoid organs. They affect growth, development, and the release of lymphocytes (a type of white blood cell).
The blood vessels and lymphatic vessels are important parts of the lymphoid organs.
They carry the lymphocytes to and from different areas in the body.
Each lymphoid organ plays a role in the production and activation of lymphocytes.
1. Toxicology, Scope of Pharmacology in Cosmetic Tech .pptx
Cosmetology is the study and application of beauty treatment. Branches of specialty include hairstyling, skin care, cosmetics, manicures/pedicures, non-permanent hair removal such as waxing and sugaring, and permanent hair removal processes such as electrology and intense pulsed light.
HAIR Disorders.pptx
Trichotillomania (trik-o-til-o-MAY-nee-uh), also called hair-pulling disorder, is a mental disorder that involves recurrent, irresistible urges to pull out hair from your scalp, eyebrows or other areas of your body, despite trying to stop.
Hair pulling from the scalp often leaves patchy bald spots, which causes significant distress and can interfere with social or work functioning. People with trichotillomania may go to great lengths to disguise the loss of hair.
For some people, trichotillomania may be mild and generally manageable. For others, the compulsive urge to pull hair is overwhelming. Some treatment options have helped many people reduce their hair pulling or stop entirely.Symptoms
Signs and symptoms of trichotillomania often include:
Repeatedly pulling your hair out, typically from your scalp, eyebrows or eyelashes, but sometimes from other body areas, and sites may vary over time
An increasing sense of tension before pulling, or when you try to resist pulling
A sense of pleasure or relief after the hair is pulled
Noticeable hair loss, such as shortened hair or thinned or bald areas on the scalp or other areas of your body, including sparse or missing eyelashes or eyebrows
Preference for specific types of hair, rituals that accompany hair pulling or patterns of hair pulling
Biting, chewing or eating pulled-out hair
Playing with pulled-out hair or rubbing it across your lips or face
Repeatedly trying to stop pulling out your hair or trying to do it less often without success
Significant distress or problems at work, school or in social situations related to pulling out your hair
Many people who have trichotillomania also pick their skin, bite their nails or chew their lips. Sometimes pulling hairs from pets or dolls or from materials, such as clothes or blankets, may be a sign. Most people with trichotillomania pull hair in private and generally try to hide the disorder from others.
For people with trichotillomania, hair pulling can be:
Focused. Some people pull their hair intentionally to relieve tension or distress — for example, pulling hair out to get relief from the overwhelming urge to pull hair. Some people may develop elaborate rituals for pulling hair, such as finding just the right hair or biting pulled hairs.
Automatic. Some people pull their hair without even realizing they're doing it, such as when they're bored, reading or watching TV.
The same person may do both focused and automatic hair pulling, depending on the situation and mood. Certain positions or rituals may trigger hair pulling, such as resting your head on your hand or brushing your hair.
Trichotillomania can be related to emotions:
Negative emotions. For many people with trichotillomania, hair pulling is a way of dealing with negative or uncomfortable feelings, such as stress, anxiety, tension, boredom, loneliness, fatigue or frustration.
Positive feelings.
Virus ..pptx
The earliest indications of the biological nature of viruses came from studies in 1892 by the Russian scientist Dmitry I. Ivanovsky and in 1898 by the Dutch scientist Martinus W. Beijerinck.
Beijerinck first surmised that the virus under study was a new kind of infectious agent, which he designated contagium vivum
fluidum, meaning that it was a live, reproducing organism that differed from other organisms.
Both of these investigators found that a disease of tobacco plants could be transmitted by an agent, later called tobacco mosaic virus, passing through a minute filter that would not allow the passage of bacteria.
Allergy.ppt
Allergies are the result of your immune system's response to a substance. Immune responses can be mild, from coughing and a runny nose, to a life-threatening reaction know as anaphylaxis.
A person becomes allergic when their body develops antigens against a substance.
The purpose of the immune system is to defend itself and keep microorganisms, such as certain bacteria, viruses, and fungi, out of the body, and to destroy any infectious microorganisms that do invade the body.
The immune system is made up of a complex and vital network of cells and organs that protect the body from infection.
The organs involved with the immune system are called the lymphoid organs. They affect growth, development, and the release of lymphocytes (a type of white blood cell).
The blood vessels and lymphatic vessels are important parts of the lymphoid organs.
They carry the lymphocytes to and from different areas in the body.
Each lymphoid organ plays a role in the production and activation of lymphocytes.
Lymphoid organs include:
Adenoids (two glands located at the back of the nasal passages)
Appendix (a small tube that is connected to the large intestine)
Blood vessels (the arteries, veins, and capillaries through which blood flows)
Bone marrow (the soft, fatty tissue found in bone cavities)
Lymph nodes (small organs shaped like beans, which are located throughout the body and connect via the lymphatic vessels)
Lymphatic vessels (a network of channels throughout the body that carries lymphocytes to the lymphoid organs and bloodstream)
Peyer's patches (lymphoid tissue in the small intestine)
Spleen (a fist-sized organ located in the abdominal cavity)
Thymus (two lobes that join in front of the trachea behind the breast bone)
Tonsils (two oval masses in the back of the throat)
Lymphoid organs include:
Adenoids (two glands located at the back of the nasal passages)
Appendix (a small tube that is connected to the large intestine)
Blood vessels (the arteries, veins, and capillaries through which blood flows)
Bone marrow (the soft, fatty tissue found in bone cavities)
Lymph nodes (small organs shaped like beans, which are located throughout the body and connect via the lymphatic vessels)
Lymphatic vessels (a network of channels throughout the body that carries lymphocytes to the lymphoid organs and bloodstream)
Peyer's patches (lymphoid tissue in the small intestine)
Spleen (a fist-sized organ located in the abdominal cavity)
Thymus (two lobes that join in front of the trachea behind the breast bone)
Tonsils (two oval masses in the back of the throat)
Anaphylactic shock, also called anaphylaxis, is a severe, life-threatening reaction to certain allergens.
Body tissues may swell, including tissues in the throat.
Anaphylactic shock is also characterized by a sudden drop in blood pressure.
The following are the most common symptoms of anaphylactic shock.
However, each person may experience symptoms differently.
Dental Probmels.pptx
Dental cavities,
Missing teeth/tooth loss
Misaligned teeth
gum Bleeding ,
Mouth Odour
Mobile teeth
Discolored or yellow teeth
Cracked or chipped teeth
Sensitive teeth with treatment
Bacteria.pptx
Bacteria are small single-celled organisms. Bacteria are found almost everywhere on Earth and are vital to the planet's ecosystems. Some species can live under extreme conditions of temperature and pressure. The human body is full of bacteria, and in fact is estimated to contain more bacterial cells than human cells.
biochemical test for identification of bacteria.pptx
ImVIC Test
Sugar Fermentation
Litmus milk Reactions
Nitrate reaction Test
Potassium Cyanide Test
Cataise production
Urease Test
Oxidase Test
Introduction to microbiology
Microbiology is the study of all living organisms that are too small to be visible with the naked eye. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'.
Nervous system.pptx
In biology, the classical doctrine of the nervous system determines that it is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body. nervous system is your body's command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing and sexual development (puberty).
Protein Synthesis.pptx
Protein synthesis represents the major route of disposal of amino acids. Amino acids are activated by binding to specific molecules of transfer RNA and assembled by ribosomes into a sequence that has been specified by messenger RNA, which in turn has been transcribed from the DNA template.
powerpoint-endocrine.pptx
The endocrine system is a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In vertebrates, the hypothalamus is the neural control center for all endocrine systems.
Skeletal system
The musculoskeletal system consists of bones of the skeleton, their joints and the skeletal muscles that move the body.
The human skeleton is the internal framework of the human body.
It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together.
The bone mass in the skeleton makes up about 14% of the total body weight
(ca. 10–11 kg for an average person) and reaches maximum density around age 21.
Investigation of Long term Hazards and Multi organ Impact of SARS COV-2 in Po...
Introduction
Background
Burden of COVID 19
Need of the study
Rationale of the study
Review of literature
Epidemiology
Hypothesis
Aim and objective
Material and Method
Criteria
Study design
Outcome
Result
Analysis
Discussion
Coronavirus are a large family of viruses that causes illness ranging from the common cold to more serve disease such as middle east respiratory syndrome(MERS-COV) and sever acute respiratory syndrome (SARS-COV).
A novel corona virus (nCOV) is a new strain that has not been previously identified in humans.
SARS-CoV-2 belongs to the Single Standing RNA Viruses class of coronaviruses, but the infection had been rapidly spreading around the world and World Health Organization (WHO) declared a pandemic .
Introduction to human anatomy and Physiology
The cell was first discovered and named by Robert Hooke in 1665.
He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.
surface Anatomy: The study of anatomical landmarks that can be identified by observing the surface of the body. Sometimes called superficial anatomy.
microscopic anatomy: The study of minute anatomical structures on a microscopic scale, including cells (cytology) and tissues (histology).
Gross (or macroscopic) anatomy: The study of anatomical features visible to the naked eye, such as internal organs and external features.
embryology: The science of the development of an embryo from the fertilization of the ovum to the fetal stage.
dissection: The process of disassembling an organism to determine its internal structure and understand the functions and relationships of its components.
surface Anatomy: The study of anatomical landmarks that can be identified by observing the surface of the body. Sometimes called superficial anatomy.
microscopic anatomy: The study of minute anatomical structures on a microscopic scale, including cells (cytology) and tissues (histology).
Gross (or macroscopic) anatomy: The study of anatomical features visible to the naked eye, such as internal organs and external features.
embryology: The science of the development of an embryo from the fertilization of the ovum to the fetal stage.
dissection: The process of disassembling an organism to determine its internal structure and understand the functions and relationships of its components.
Cell
Cellular level of organization Structure and functions of cell, transport across cell membrane,
cell division,
cell junctions.
General principles of cell communication,
intracellular signaling pathway activation by extracellular signal molecule,
Tissue
Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells.
Mixing
Mixing: Objectives, applications & factors affecting mixing,
Difference between solid and liquid mixing,
mechanism of solid mixing, liquids mixing and semisolids mixing.
Principles, Construction, Working, uses, Merits and Demerits of Double cone blender
Principles, Construction, Working, uses, Merits and Demerits of twin shell blender
Principles, Construction, Working, uses, Merits and Demerits of ribbon blender
Principles, Construction, Working, uses, Merits and Demerits of Sigma blade mixer
Principles, Construction, Working, uses, Merits and Demerits of planetary mixers
Principles, Construction, Working, uses, Merits and Demerits of Propellers
Principles, Construction, Working, uses, Merits and Demerits of Turbines
Principles, Construction, Working, uses, Merits and Demerits of Paddles
And
Principles, Construction, Working, uses, Merits and Demerits of Silverson Emulsifier.
Navigating Challenges: Mental Health, Legislation, and the Prison System in B...
This conference will delve into the intricate intersections between mental health, legal frameworks, and the prison system in Bolivia. It aims to provide a comprehensive overview of the current challenges faced by mental health professionals working within the legislative and correctional landscapes. Topics of discussion will include the prevalence and impact of mental health issues among the incarcerated population, the effectiveness of existing mental health policies and legislation, and potential reforms to enhance the mental health support system within prisons.
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Cell Communication.pptx
In biology, cell signaling or cell communication is the ability of a cell to receive, process, and transmit signals with its environment and with itself.
ell signaling is a fundamental property of all cellular life in prokaryotes and eukaryotes .
Signals that originate from outside a cell (or extracellular signals) can be physical agents like mechanical pressure, voltage, temperature, light, or chemical signals (e.g., small molecules, peptides, or gas).Signaling molecules can be synthesized from various biosynthetic pathways and released through passive or active transports, or even from cell damage.
Receptors play a key role in cell signaling as they are able to detect chemical signals or physical stimuli.
Receptors are generally proteins located on the cell surface or within the interior of the cell such as the cytoplasm, organelles, and nucleus.
Cell surface receptors usually bind with extracellular signals (or ligands), which causes a conformational change in the receptor that leads it to initiate enzymic activity, or to open or close ion channel activity. Some receptors do not contain enzymatic or channel-like domains but are instead linked to enzymes or transporters.
Other receptors like nuclear receptors have a different mechanism such as changing their DNA binding proper properties and cellular localization to the nucleus.
Cell and their function.pptx
Structure and functions of cell, transport across cell membrane, cell
division, cell junctions. General principles of cell communication,
the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body
The basic tenets of the cell theory are as follows:
All living things are made up of one or more cells.
The cell is the structural and functional unit of all living things.
Cells come from pre-existing cells through the process of division.
All cells are the same in regard to chemical composition.
Cells also communicate with each other. Whether in plants, humans, or animals, they connect to create a solid, well formed organism. In humans, cells build tissues, tissues form organs, and organs work together to keep the body alive.
Experts estimate that there are around 200Trusted Source cell types in the human body.
5.Allergy.pptx
Allergies are the result of your immune system's response to a substance. Immune responses can be mild, from coughing and a runny nose, to a life-threatening reaction know as anaphylaxis.
A person becomes allergic when their body develops antigens against a substance
The purpose of the immune system is to defend itself and keep microorganisms, such as certain bacteria, viruses, and fungi, out of the body, and to destroy any infectious microorganisms that do invade the body.
The immune system is made up of a complex and vital network of cells and organs that protect the body from infection.
The organs involved with the immune system are called the lymphoid organs. They affect growth, development, and the release of lymphocytes (a type of white blood cell).
The blood vessels and lymphatic vessels are important parts of the lymphoid organs.
They carry the lymphocytes to and from different areas in the body.
Each lymphoid organ plays a role in the production and activation of lymphocytes.
1. Toxicology, Scope of Pharmacology in Cosmetic Tech .pptx
Cosmetology is the study and application of beauty treatment. Branches of specialty include hairstyling, skin care, cosmetics, manicures/pedicures, non-permanent hair removal such as waxing and sugaring, and permanent hair removal processes such as electrology and intense pulsed light.
HAIR Disorders.pptx
Trichotillomania (trik-o-til-o-MAY-nee-uh), also called hair-pulling disorder, is a mental disorder that involves recurrent, irresistible urges to pull out hair from your scalp, eyebrows or other areas of your body, despite trying to stop.
Hair pulling from the scalp often leaves patchy bald spots, which causes significant distress and can interfere with social or work functioning. People with trichotillomania may go to great lengths to disguise the loss of hair.
For some people, trichotillomania may be mild and generally manageable. For others, the compulsive urge to pull hair is overwhelming. Some treatment options have helped many people reduce their hair pulling or stop entirely.Symptoms
Signs and symptoms of trichotillomania often include:
Repeatedly pulling your hair out, typically from your scalp, eyebrows or eyelashes, but sometimes from other body areas, and sites may vary over time
An increasing sense of tension before pulling, or when you try to resist pulling
A sense of pleasure or relief after the hair is pulled
Noticeable hair loss, such as shortened hair or thinned or bald areas on the scalp or other areas of your body, including sparse or missing eyelashes or eyebrows
Preference for specific types of hair, rituals that accompany hair pulling or patterns of hair pulling
Biting, chewing or eating pulled-out hair
Playing with pulled-out hair or rubbing it across your lips or face
Repeatedly trying to stop pulling out your hair or trying to do it less often without success
Significant distress or problems at work, school or in social situations related to pulling out your hair
Many people who have trichotillomania also pick their skin, bite their nails or chew their lips. Sometimes pulling hairs from pets or dolls or from materials, such as clothes or blankets, may be a sign. Most people with trichotillomania pull hair in private and generally try to hide the disorder from others.
For people with trichotillomania, hair pulling can be:
Focused. Some people pull their hair intentionally to relieve tension or distress — for example, pulling hair out to get relief from the overwhelming urge to pull hair. Some people may develop elaborate rituals for pulling hair, such as finding just the right hair or biting pulled hairs.
Automatic. Some people pull their hair without even realizing they're doing it, such as when they're bored, reading or watching TV.
The same person may do both focused and automatic hair pulling, depending on the situation and mood. Certain positions or rituals may trigger hair pulling, such as resting your head on your hand or brushing your hair.
Trichotillomania can be related to emotions:
Negative emotions. For many people with trichotillomania, hair pulling is a way of dealing with negative or uncomfortable feelings, such as stress, anxiety, tension, boredom, loneliness, fatigue or frustration.
Positive feelings.
Virus ..pptx
The earliest indications of the biological nature of viruses came from studies in 1892 by the Russian scientist Dmitry I. Ivanovsky and in 1898 by the Dutch scientist Martinus W. Beijerinck.
Beijerinck first surmised that the virus under study was a new kind of infectious agent, which he designated contagium vivum
fluidum, meaning that it was a live, reproducing organism that differed from other organisms.
Both of these investigators found that a disease of tobacco plants could be transmitted by an agent, later called tobacco mosaic virus, passing through a minute filter that would not allow the passage of bacteria.
Allergy.ppt
Allergies are the result of your immune system's response to a substance. Immune responses can be mild, from coughing and a runny nose, to a life-threatening reaction know as anaphylaxis.
A person becomes allergic when their body develops antigens against a substance.
The purpose of the immune system is to defend itself and keep microorganisms, such as certain bacteria, viruses, and fungi, out of the body, and to destroy any infectious microorganisms that do invade the body.
The immune system is made up of a complex and vital network of cells and organs that protect the body from infection.
The organs involved with the immune system are called the lymphoid organs. They affect growth, development, and the release of lymphocytes (a type of white blood cell).
The blood vessels and lymphatic vessels are important parts of the lymphoid organs.
They carry the lymphocytes to and from different areas in the body.
Each lymphoid organ plays a role in the production and activation of lymphocytes.
Lymphoid organs include:
Adenoids (two glands located at the back of the nasal passages)
Appendix (a small tube that is connected to the large intestine)
Blood vessels (the arteries, veins, and capillaries through which blood flows)
Bone marrow (the soft, fatty tissue found in bone cavities)
Lymph nodes (small organs shaped like beans, which are located throughout the body and connect via the lymphatic vessels)
Lymphatic vessels (a network of channels throughout the body that carries lymphocytes to the lymphoid organs and bloodstream)
Peyer's patches (lymphoid tissue in the small intestine)
Spleen (a fist-sized organ located in the abdominal cavity)
Thymus (two lobes that join in front of the trachea behind the breast bone)
Tonsils (two oval masses in the back of the throat)
Lymphoid organs include:
Adenoids (two glands located at the back of the nasal passages)
Appendix (a small tube that is connected to the large intestine)
Blood vessels (the arteries, veins, and capillaries through which blood flows)
Bone marrow (the soft, fatty tissue found in bone cavities)
Lymph nodes (small organs shaped like beans, which are located throughout the body and connect via the lymphatic vessels)
Lymphatic vessels (a network of channels throughout the body that carries lymphocytes to the lymphoid organs and bloodstream)
Peyer's patches (lymphoid tissue in the small intestine)
Spleen (a fist-sized organ located in the abdominal cavity)
Thymus (two lobes that join in front of the trachea behind the breast bone)
Tonsils (two oval masses in the back of the throat)
Anaphylactic shock, also called anaphylaxis, is a severe, life-threatening reaction to certain allergens.
Body tissues may swell, including tissues in the throat.
Anaphylactic shock is also characterized by a sudden drop in blood pressure.
The following are the most common symptoms of anaphylactic shock.
However, each person may experience symptoms differently.
Dental Probmels.pptx
Dental cavities,
Missing teeth/tooth loss
Misaligned teeth
gum Bleeding ,
Mouth Odour
Mobile teeth
Discolored or yellow teeth
Cracked or chipped teeth
Sensitive teeth with treatment
Bacteria.pptx
Bacteria are small single-celled organisms. Bacteria are found almost everywhere on Earth and are vital to the planet's ecosystems. Some species can live under extreme conditions of temperature and pressure. The human body is full of bacteria, and in fact is estimated to contain more bacterial cells than human cells.
biochemical test for identification of bacteria.pptx
ImVIC Test
Sugar Fermentation
Litmus milk Reactions
Nitrate reaction Test
Potassium Cyanide Test
Cataise production
Urease Test
Oxidase Test
Introduction to microbiology
Microbiology is the study of all living organisms that are too small to be visible with the naked eye. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'.
Nervous system.pptx
In biology, the classical doctrine of the nervous system determines that it is a highly complex part of an animal that coordinates its actions and sensory information by transmitting signals to and from different parts of its body. nervous system is your body's command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you. It also controls other body systems and processes, such as digestion, breathing and sexual development (puberty).
Protein Synthesis.pptx
Protein synthesis represents the major route of disposal of amino acids. Amino acids are activated by binding to specific molecules of transfer RNA and assembled by ribosomes into a sequence that has been specified by messenger RNA, which in turn has been transcribed from the DNA template.
powerpoint-endocrine.pptx
The endocrine system is a messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In vertebrates, the hypothalamus is the neural control center for all endocrine systems.
Skeletal system
The musculoskeletal system consists of bones of the skeleton, their joints and the skeletal muscles that move the body.
The human skeleton is the internal framework of the human body.
It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together.
The bone mass in the skeleton makes up about 14% of the total body weight
(ca. 10–11 kg for an average person) and reaches maximum density around age 21.
Investigation of Long term Hazards and Multi organ Impact of SARS COV-2 in Po...
Introduction
Background
Burden of COVID 19
Need of the study
Rationale of the study
Review of literature
Epidemiology
Hypothesis
Aim and objective
Material and Method
Criteria
Study design
Outcome
Result
Analysis
Discussion
Coronavirus are a large family of viruses that causes illness ranging from the common cold to more serve disease such as middle east respiratory syndrome(MERS-COV) and sever acute respiratory syndrome (SARS-COV).
A novel corona virus (nCOV) is a new strain that has not been previously identified in humans.
SARS-CoV-2 belongs to the Single Standing RNA Viruses class of coronaviruses, but the infection had been rapidly spreading around the world and World Health Organization (WHO) declared a pandemic .
Introduction to human anatomy and Physiology
The cell was first discovered and named by Robert Hooke in 1665.
He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope.
surface Anatomy: The study of anatomical landmarks that can be identified by observing the surface of the body. Sometimes called superficial anatomy.
microscopic anatomy: The study of minute anatomical structures on a microscopic scale, including cells (cytology) and tissues (histology).
Gross (or macroscopic) anatomy: The study of anatomical features visible to the naked eye, such as internal organs and external features.
embryology: The science of the development of an embryo from the fertilization of the ovum to the fetal stage.
dissection: The process of disassembling an organism to determine its internal structure and understand the functions and relationships of its components.
surface Anatomy: The study of anatomical landmarks that can be identified by observing the surface of the body. Sometimes called superficial anatomy.
microscopic anatomy: The study of minute anatomical structures on a microscopic scale, including cells (cytology) and tissues (histology).
Gross (or macroscopic) anatomy: The study of anatomical features visible to the naked eye, such as internal organs and external features.
embryology: The science of the development of an embryo from the fertilization of the ovum to the fetal stage.
dissection: The process of disassembling an organism to determine its internal structure and understand the functions and relationships of its components.
Cell
Cellular level of organization Structure and functions of cell, transport across cell membrane,
cell division,
cell junctions.
General principles of cell communication,
intracellular signaling pathway activation by extracellular signal molecule,
Tissue
Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells.
Mixing
Mixing: Objectives, applications & factors affecting mixing,
Difference between solid and liquid mixing,
mechanism of solid mixing, liquids mixing and semisolids mixing.
Principles, Construction, Working, uses, Merits and Demerits of Double cone blender
Principles, Construction, Working, uses, Merits and Demerits of twin shell blender
Principles, Construction, Working, uses, Merits and Demerits of ribbon blender
Principles, Construction, Working, uses, Merits and Demerits of Sigma blade mixer
Principles, Construction, Working, uses, Merits and Demerits of planetary mixers
Principles, Construction, Working, uses, Merits and Demerits of Propellers
Principles, Construction, Working, uses, Merits and Demerits of Turbines
Principles, Construction, Working, uses, Merits and Demerits of Paddles
And
Principles, Construction, Working, uses, Merits and Demerits of Silverson Emulsifier.
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Antibiotic Stewardship by Anushri Srivastava.pptx
Stewardship is the act of taking good care of something.
Antimicrobial stewardship is a coordinated program that promotes the appropriate use of antimicrobials (including antibiotics), improves patient outcomes, reduces microbial resistance, and decreases the spread of infections caused by multidrug-resistant organisms.
WHO launched the Global Antimicrobial Resistance and Use Surveillance System (GLASS) in 2015 to fill knowledge gaps and inform strategies at all levels.
ACCORDING TO apic.org,
Antimicrobial stewardship is a coordinated program that promotes the appropriate use of antimicrobials (including antibiotics), improves patient outcomes, reduces microbial resistance, and decreases the spread of infections caused by multidrug-resistant organisms.
ACCORDING TO pewtrusts.org,
Antibiotic stewardship refers to efforts in doctors’ offices, hospitals, long term care facilities, and other health care settings to ensure that antibiotics are used only when necessary and appropriate
According to WHO,
Antimicrobial stewardship is a systematic approach to educate and support health care professionals to follow evidence-based guidelines for prescribing and administering antimicrobials
In 1996, John McGowan and Dale Gerding first applied the term antimicrobial stewardship, where they suggested a causal association between antimicrobial agent use and resistance. They also focused on the urgency of large-scale controlled trials of antimicrobial-use regulation employing sophisticated epidemiologic methods, molecular typing, and precise resistance mechanism analysis.
Antimicrobial Stewardship(AMS) refers to the optimal selection, dosing, and duration of antimicrobial treatment resulting in the best clinical outcome with minimal side effects to the patients and minimal impact on subsequent resistance.
According to the 2019 report, in the US, more than 2.8 million antibiotic-resistant infections occur each year, and more than 35000 people die. In addition to this, it also mentioned that 223,900 cases of Clostridoides difficile occurred in 2017, of which 12800 people died. The report did not include viruses or parasites
VISION
Being proactive
Supporting optimal animal and human health
Exploring ways to reduce overall use of antimicrobials
Using the drugs that prevent and treat disease by killing microscopic organisms in a responsible way
GOAL
to prevent the generation and spread of antimicrobial resistance (AMR). Doing so will preserve the effectiveness of these drugs in animals and humans for years to come.
being to preserve human and animal health and the effectiveness of antimicrobial medications.
to implement a multidisciplinary approach in assembling a stewardship team to include an infectious disease physician, a clinical pharmacist with infectious diseases training, infection preventionist, and a close collaboration with the staff in the clinical microbiology laboratory
to prevent antimicrobial overuse, misuse and abuse.
to minimize the developme
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Defecation
Normal defecation begins with movement in the left colon, moving stool toward the anus. When stool reaches the rectum, the distention causes relaxation of the internal sphincter and an awareness of the need to defecate. At the time of defecation, the external sphincter relaxes, and abdominal muscles contract, increasing intrarectal pressure and forcing the stool out
The Valsalva maneuver exerts pressure to expel faeces through a voluntary contraction of the abdominal muscles while maintaining forced expiration against a closed airway. Patients with cardiovascular disease, glaucoma, increased intracranial pressure, or a new surgical wound are at greater risk for cardiac dysrhythmias and elevated blood pressure with the Valsalva maneuver and need to avoid straining to pass the stool.
Normal defecation is painless, resulting in passage of soft, formed stool
CONSTIPATION
Constipation is a symptom, not a disease. Improper diet, reduced fluid intake, lack of exercise, and certain medications can cause constipation. For example, patients receiving opiates for pain after surgery often require a stool softener or laxative to prevent constipation. The signs of constipation include infrequent bowel movements (less than every 3 days), difficulty passing stools, excessive straining, inability to defecate at will, and hard feaces
IMPACTION
Fecal impaction results from unrelieved constipation. It is a collection of hardened feces wedged in the rectum that a person cannot expel. In cases of severe impaction the mass extends up into the sigmoid colon.
DIARRHEA
Diarrhea is an increase in the number of stools and the passage of liquid, unformed feces. It is associated with disorders affecting digestion, absorption, and secretion in the GI tract. Intestinal contents pass through the small and large intestine too quickly to allow for the usual absorption of fluid and nutrients. Irritation within the colon results in increased mucus secretion. As a result, feces become watery, and the patient is unable to control the urge to defecate. Normally an anal bag is safe and effective in long-term treatment of patients with fecal incontinence at home, in hospice, or in the hospital. Fecal incontinence is expensive and a potentially dangerous condition in terms of contamination and risk of skin ulceration
HEMORRHOIDS
Hemorrhoids are dilated, engorged veins in the lining of the rectum. They are either external or internal.
FLATULENCE
As gas accumulates in the lumen of the intestines, the bowel wall stretches and distends (flatulence). It is a common cause of abdominal fullness, pain, and cramping. Normally intestinal gas escapes through the mouth (belching) or the anus (passing of flatus)
FECAL INCONTINENCE
Fecal incontinence is the inability to control passage of feces and gas from the anus. Incontinence harms a patient’s body image
PREPARATION AND GIVING OF LAXATIVESACCORDING TO POTTER AND PERRY,
An enema is the instillation of a solution into the rectum and sig
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