Excretory system
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The excretory system removes excess and unnecessary materials from the body's fluids to maintain homeostasis. It consists of the kidneys, liver, bile, large intestine, skin, and sweat glands. The kidneys are bean-shaped organs located between vertebrae T12-L3 that produce urine through filtering blood. Kidney tissue contains an outer cortex and inner medulla. Nephrons are the structural and functional units of the kidney, consisting of a renal corpuscle, renal tubule with proximal convoluted tubule, loop of Henle, and distal convoluted tubule. The collecting tubule and duct drain urine from nephrons to the renal pelvis.
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Excretory system
The human excretory system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood via specialized structures called nephrons. Nephrons remove waste from the blood through filtration, reabsorption, and secretion. The filtered waste is collected in the bladder and later excreted from the body through the urethra. The document provides detailed information on the structure and function of each organ in the human excretory system.
Excretory system
The kidneys and urinary system remove waste from the body through urine. The kidneys contain over a million nephrons that filter blood to form urine. Urine regulates water, salt, and pH levels in the blood. It contains nitrogenous wastes like urea and ammonia, produced when proteins breakdown. The urine is transported from the kidneys to the bladder via ureters, stored in the bladder, and exited through the urethra.
Excretory system
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra which work together to remove waste from the body. The kidneys filter blood and regulate waste removal by selectively reabsorbing useful compounds while secreting metabolic wastes into urine. This urine is then transported through the ureters to the bladder and finally expelled from the body through the urethra, aided by other excretory organs like the skin, lungs, large intestine and liver.
Structures of the Urinary System
The key structures of the urinary system include the kidneys, ureters, bladder, urethra, and urinary meatus. The kidneys filter waste from the bloodstream and produce urine. Urine travels from the kidneys down the ureters into the bladder, and is then emptied via the urethra and urinary meatus. The urinary system works to remove waste from the body and regulate fluid balance.
Excretory system of human body
This document provides information about the excretory system and its organs. It focuses on the structure and function of the kidneys. The kidneys filter waste from the blood to produce urine through processes of filtration, reabsorption, and secretion. Urine is transported from the kidneys to the urinary bladder via ureters. The bladder stores urine until urination. The kidneys play key roles in regulating water balance, electrolyte levels, blood pressure, and producing hormones.
Urinary system
The document discusses the structure and function of the urinary system. It describes the key organs - kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the bloodstream and produce urine, which is transported via the ureters and stored in the bladder before being excreted through the urethra. The functions of the urinary system include removing waste, regulating blood volume and pressure, and producing hormones like erythropoietin.
Urinary system anatomy and physiology
The document provides an overview of the anatomy and physiology of the urinary system. It describes the key components including the kidneys, ureters, bladder, and urethra. It explains the functions of the kidneys in filtering waste and regulating fluid balance. It also details the structure and function of nephrons as the functional units of the kidney that form urine.
Excretory system
The human excretory system removes waste from the body through four main organs. The lungs exhale carbon dioxide, while the skin sweats out water, salts, and urea. The liver converts nitrogenous wastes to urea and excretes bile, and the kidneys filter wastes like urea, salts, and water from the blood to produce urine for excretion. Together, these organs maintain homeostasis by removing harmful cellular wastes that could otherwise build up to toxic levels.
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Excretory system
The human excretory system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood via specialized structures called nephrons. Nephrons remove waste from the blood through filtration, reabsorption, and secretion. The filtered waste is collected in the bladder and later excreted from the body through the urethra. The document provides detailed information on the structure and function of each organ in the human excretory system.
Excretory system
The kidneys and urinary system remove waste from the body through urine. The kidneys contain over a million nephrons that filter blood to form urine. Urine regulates water, salt, and pH levels in the blood. It contains nitrogenous wastes like urea and ammonia, produced when proteins breakdown. The urine is transported from the kidneys to the bladder via ureters, stored in the bladder, and exited through the urethra.
Excretory system
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra which work together to remove waste from the body. The kidneys filter blood and regulate waste removal by selectively reabsorbing useful compounds while secreting metabolic wastes into urine. This urine is then transported through the ureters to the bladder and finally expelled from the body through the urethra, aided by other excretory organs like the skin, lungs, large intestine and liver.
Structures of the Urinary System
The key structures of the urinary system include the kidneys, ureters, bladder, urethra, and urinary meatus. The kidneys filter waste from the bloodstream and produce urine. Urine travels from the kidneys down the ureters into the bladder, and is then emptied via the urethra and urinary meatus. The urinary system works to remove waste from the body and regulate fluid balance.
Excretory system of human body
This document provides information about the excretory system and its organs. It focuses on the structure and function of the kidneys. The kidneys filter waste from the blood to produce urine through processes of filtration, reabsorption, and secretion. Urine is transported from the kidneys to the urinary bladder via ureters. The bladder stores urine until urination. The kidneys play key roles in regulating water balance, electrolyte levels, blood pressure, and producing hormones.
Urinary system
The document discusses the structure and function of the urinary system. It describes the key organs - kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the bloodstream and produce urine, which is transported via the ureters and stored in the bladder before being excreted through the urethra. The functions of the urinary system include removing waste, regulating blood volume and pressure, and producing hormones like erythropoietin.
Urinary system anatomy and physiology
The document provides an overview of the anatomy and physiology of the urinary system. It describes the key components including the kidneys, ureters, bladder, and urethra. It explains the functions of the kidneys in filtering waste and regulating fluid balance. It also details the structure and function of nephrons as the functional units of the kidney that form urine.
Excretory system
The human excretory system removes waste from the body through four main organs. The lungs exhale carbon dioxide, while the skin sweats out water, salts, and urea. The liver converts nitrogenous wastes to urea and excretes bile, and the kidneys filter wastes like urea, salts, and water from the blood to produce urine for excretion. Together, these organs maintain homeostasis by removing harmful cellular wastes that could otherwise build up to toxic levels.
09 urinary system
The urinary system regulates blood composition and excretes waste through the kidneys, ureters, bladder and urethra. The kidneys filter blood to form urine and regulate electrolyte and fluid levels. Urine passes from the kidneys through the ureters to the bladder, where it is temporarily stored until urination. During urination, urine exits the body through the urethra under control of sphincter muscles. The urinary system helps maintain homeostasis by regulating water balance and removing toxins and wastes from the bloodstream.
urinary system
The document provides an overview of the urinary system, including its main organs and functions. It describes the anatomy and histology of the kidney, nephron, ureters, and urinary bladder. It explains the three main processes of urine formation - glomerular filtration, reabsorption, and secretion. It also discusses some common urinary tract diseases and the relationships between the urinary system and other body systems.
EXCRETORY SYSTEM
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra, and is essential for removing waste from the body. The kidneys filter blood to remove waste and regulate salt levels, producing urine that passes through the ureters into the bladder. The bladder stores urine until it is expelled through the urethra. Other excretory organs include the skin, which sweats out salt and water, the large intestine and lungs, which remove waste, and the liver, which produces bile to remove waste from the blood.
Urinary system presen.09
The urinary system filters waste from the blood to produce urine, which is stored in the bladder and expelled through the urethra. It includes the kidneys, which filter blood and remove wastes to produce urine, and the ureters, bladder, and urethra, which transport urine for excretion from the body. The kidneys play an important role in homeostasis by regulating water, electrolyte, and pH levels in the blood. Urine production involves filtration, reabsorption, and secretion stages in the nephrons of the kidneys.
Urinary System Presentation-Yorkville College
The document provides details about the structure and function of the urinary system. It describes the location and structure of the kidneys and discusses nephrons, filtration, reabsorption, and secretion in urine formation. It also outlines the pathways of blood supply and drainage in the kidneys. Further, it details the ureters, bladder, and urethra and their roles in transporting and storing urine. Homeostatic imbalances like kidney stones are also mentioned.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder and urethra. The kidneys filter the blood to remove wastes and produce urine. The nephron is the functional unit of the kidney that filters blood and forms urine. Urine passes from the kidneys through the ureters into the bladder, and is then emptied through the urethra. Urine formation involves glomerular filtration, tubular reabsorption and secretion, and a countercurrent mechanism in the kidney. The urinary system regulates water and electrolyte balance and removes nitrogenous wastes from the body.
The Excretory system
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. ... From there, urine is expelled through the urethra and out of the body.
16. The Urinary System
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to produce urine and regulate fluid, electrolyte, and acid-base balance. Urine travels from the kidneys through the ureters to the urinary bladder, where it is stored until micturition. During micturition, the bladder contracts while sphincters relax to expel urine through the urethra to the outside of the body.
Excretory System
The document discusses the excretory system. It describes the major organs that are involved in excretion, including the lungs, skin, liver, and kidneys. The kidneys are described in more detail, noting their location and role in filtering the blood and producing urine. Urine contains waste products like urea, uric acid, and creatinine. The document also outlines other parts of the urinary system like the ureters, urinary bladder, and urethra. It discusses how the excretory system interacts with other body systems and concludes by covering two health issues - kidney stones and cystitis.
the urinary system
The Urinary System consists of paired kidneys, ureters, a urinary bladder, and a urethra. The kidneys filter waste from the blood to produce urine. Urine travels from the kidneys down the ureters into the bladder, where it is stored until excretion through the urethra. The main functions of the Urinary System are to filter the blood, regulate water and electrolyte balance, and dispose of nitrogenous wastes.
Urinary system 664.pptx ngaun na to
The urinary system, also called the excretory system, produces, stores, and eliminates urine. It includes two kidneys, two ureters, the bladder, and the urethra. The kidneys filter waste from the blood to produce urine, regulate electrolytes and blood pressure. Urine travels from the kidneys down the ureters into the bladder, and is then emptied through the urethra. The urinary system works closely with other body systems to maintain homeostasis.
Excretory system
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra, and is essential for removing waste from the body. The kidneys filter blood to remove waste and regulate salt levels, producing urine that passes through the ureters into the bladder. The bladder stores urine until it is excreted through the urethra. Other excretory organs include the skin, which sweats out salt and water, the large intestine and lungs, which remove waste, and the liver, which produces bile to remove waste from the blood.
Urinary System Notes
The urinary system functions to regulate homeostasis by controlling water, electrolyte, and acid-base balance and eliminating waste from the body. The major organs of the urinary system include the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to form urine and are made up of nephrons, the functional units that filter blood and remove waste. Urine is formed through the processes of filtration, reabsorption, and secretion in the nephrons and is temporarily stored in the bladder before being excreted through the urethra.
The urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood and produce urine by removing waste and regulating fluid and electrolyte levels. The urine passes from the kidneys to the bladder through the ureters. The bladder stores urine until emptying through the urethra. The functional unit of the kidney is the nephron, which filters blood to form urine through glomerular filtration, reabsorption, and secretion. Together, these components work to maintain homeostasis by regulating fluid balance and removing waste from the body.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood and regulate fluid and electrolyte balance. The ureters transport urine from the kidneys to the urinary bladder, which stores urine until emptying through the urethra. Together this system works to maintain homeostasis by regulating waste removal, pH balance, and water levels in the body.
The excretory system
The excretory system removes metabolic waste from the body through various organs including the kidneys, liver, lungs and skin. The kidneys are the primary organs of excretion and work to filter waste from the blood and regulate fluid balance. They produce urine via nephrons, which filter blood in the cortex and reabsorb useful substances along the loop of Henle. Urine is stored in the bladder and exits the body through the urethra.
Urinary system
The urinary system includes the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood to produce urine. The ureters carry urine from the kidneys to the bladder. The bladder stores urine until urination, at which point urine passes through the urethra and out of the body. The kidneys, ureters, bladder, and urethra each have distinct tissue layers including mucosa, muscularis, and serosa that allow them to perform their specialized functions within the urinary system.
The urinary system
Presentation used to introduce anatomy and physiology students to the urinary system anatomy and physiology. Glomerular filtration, tubular secretion and tubular reabsorption are shown.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood to remove waste and produce about 1-2 liters of urine per day. Rapid weight loss can cause the kidneys to drop in position and kink the ureters, backing up urine and potentially damaging the kidneys. Urine is formed through glomerular filtration, tubular reabsorption, and tubular secretion in functional units of the kidneys called nephrons. The urinary bladder stores urine temporarily until urination, when it is passed through the urethra out of the body.
1st science 19 urinary system structure and functions
The document discusses the structure and function of the urinary system. It describes the location and roles of the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood to produce urine, and contain nephrons that remove waste and regulate chemical balances before urine passes through the ureters to the bladder for storage and eventual expulsion through the urethra.
Urinary system
The urinary system functions to filter waste from the blood and regulate fluid levels. The kidneys contain nephrons, which are the functional filtering units. Each nephron contains a renal corpuscle with glomerulus for blood filtration, and a renal tubule for reabsorption and secretion. Filtrate passes through the glomerulus and along the tubule, where it is modified before collection in the ureters and storage in the bladder for excretion. The juxtaglomerular apparatus regulates blood pressure and fluid balance.
Ali Abbas (model lesson.ppt).pdf
The document provides an overview of the human kidney. It describes the kidney's gross structure including the renal capsule, cortex, medulla, renal columns, pyramids and papillae. It also describes the microstructure including nephrons, the malpighian capsule with glomerulus and bowman's capsule, and the urinary tubule with proximal and distal portions. The document outlines the functions of the urinary system including homeostasis, regulating blood volume and pH, conserving nutrients, filtering waste from the blood, and excreting and eliminating waste from the body.
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09 urinary system
The urinary system regulates blood composition and excretes waste through the kidneys, ureters, bladder and urethra. The kidneys filter blood to form urine and regulate electrolyte and fluid levels. Urine passes from the kidneys through the ureters to the bladder, where it is temporarily stored until urination. During urination, urine exits the body through the urethra under control of sphincter muscles. The urinary system helps maintain homeostasis by regulating water balance and removing toxins and wastes from the bloodstream.
urinary system
The document provides an overview of the urinary system, including its main organs and functions. It describes the anatomy and histology of the kidney, nephron, ureters, and urinary bladder. It explains the three main processes of urine formation - glomerular filtration, reabsorption, and secretion. It also discusses some common urinary tract diseases and the relationships between the urinary system and other body systems.
EXCRETORY SYSTEM
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra, and is essential for removing waste from the body. The kidneys filter blood to remove waste and regulate salt levels, producing urine that passes through the ureters into the bladder. The bladder stores urine until it is expelled through the urethra. Other excretory organs include the skin, which sweats out salt and water, the large intestine and lungs, which remove waste, and the liver, which produces bile to remove waste from the blood.
Urinary system presen.09
The urinary system filters waste from the blood to produce urine, which is stored in the bladder and expelled through the urethra. It includes the kidneys, which filter blood and remove wastes to produce urine, and the ureters, bladder, and urethra, which transport urine for excretion from the body. The kidneys play an important role in homeostasis by regulating water, electrolyte, and pH levels in the blood. Urine production involves filtration, reabsorption, and secretion stages in the nephrons of the kidneys.
Urinary System Presentation-Yorkville College
The document provides details about the structure and function of the urinary system. It describes the location and structure of the kidneys and discusses nephrons, filtration, reabsorption, and secretion in urine formation. It also outlines the pathways of blood supply and drainage in the kidneys. Further, it details the ureters, bladder, and urethra and their roles in transporting and storing urine. Homeostatic imbalances like kidney stones are also mentioned.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder and urethra. The kidneys filter the blood to remove wastes and produce urine. The nephron is the functional unit of the kidney that filters blood and forms urine. Urine passes from the kidneys through the ureters into the bladder, and is then emptied through the urethra. Urine formation involves glomerular filtration, tubular reabsorption and secretion, and a countercurrent mechanism in the kidney. The urinary system regulates water and electrolyte balance and removes nitrogenous wastes from the body.
The Excretory system
The Excretory system is responsible for the elimination of wastes produced by homeostasis.
There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. ... From there, urine is expelled through the urethra and out of the body.
16. The Urinary System
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to produce urine and regulate fluid, electrolyte, and acid-base balance. Urine travels from the kidneys through the ureters to the urinary bladder, where it is stored until micturition. During micturition, the bladder contracts while sphincters relax to expel urine through the urethra to the outside of the body.
Excretory System
The document discusses the excretory system. It describes the major organs that are involved in excretion, including the lungs, skin, liver, and kidneys. The kidneys are described in more detail, noting their location and role in filtering the blood and producing urine. Urine contains waste products like urea, uric acid, and creatinine. The document also outlines other parts of the urinary system like the ureters, urinary bladder, and urethra. It discusses how the excretory system interacts with other body systems and concludes by covering two health issues - kidney stones and cystitis.
the urinary system
The Urinary System consists of paired kidneys, ureters, a urinary bladder, and a urethra. The kidneys filter waste from the blood to produce urine. Urine travels from the kidneys down the ureters into the bladder, where it is stored until excretion through the urethra. The main functions of the Urinary System are to filter the blood, regulate water and electrolyte balance, and dispose of nitrogenous wastes.
Urinary system 664.pptx ngaun na to
The urinary system, also called the excretory system, produces, stores, and eliminates urine. It includes two kidneys, two ureters, the bladder, and the urethra. The kidneys filter waste from the blood to produce urine, regulate electrolytes and blood pressure. Urine travels from the kidneys down the ureters into the bladder, and is then emptied through the urethra. The urinary system works closely with other body systems to maintain homeostasis.
Excretory system
The excretory system consists of the kidneys, ureters, urinary bladder, and urethra, and is essential for removing waste from the body. The kidneys filter blood to remove waste and regulate salt levels, producing urine that passes through the ureters into the bladder. The bladder stores urine until it is excreted through the urethra. Other excretory organs include the skin, which sweats out salt and water, the large intestine and lungs, which remove waste, and the liver, which produces bile to remove waste from the blood.
Urinary System Notes
The urinary system functions to regulate homeostasis by controlling water, electrolyte, and acid-base balance and eliminating waste from the body. The major organs of the urinary system include the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood to form urine and are made up of nephrons, the functional units that filter blood and remove waste. Urine is formed through the processes of filtration, reabsorption, and secretion in the nephrons and is temporarily stored in the bladder before being excreted through the urethra.
The urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood and produce urine by removing waste and regulating fluid and electrolyte levels. The urine passes from the kidneys to the bladder through the ureters. The bladder stores urine until emptying through the urethra. The functional unit of the kidney is the nephron, which filters blood to form urine through glomerular filtration, reabsorption, and secretion. Together, these components work to maintain homeostasis by regulating fluid balance and removing waste from the body.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter waste from the blood and regulate fluid and electrolyte balance. The ureters transport urine from the kidneys to the urinary bladder, which stores urine until emptying through the urethra. Together this system works to maintain homeostasis by regulating waste removal, pH balance, and water levels in the body.
The excretory system
The excretory system removes metabolic waste from the body through various organs including the kidneys, liver, lungs and skin. The kidneys are the primary organs of excretion and work to filter waste from the blood and regulate fluid balance. They produce urine via nephrons, which filter blood in the cortex and reabsorb useful substances along the loop of Henle. Urine is stored in the bladder and exits the body through the urethra.
Urinary system
The urinary system includes the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood to produce urine. The ureters carry urine from the kidneys to the bladder. The bladder stores urine until urination, at which point urine passes through the urethra and out of the body. The kidneys, ureters, bladder, and urethra each have distinct tissue layers including mucosa, muscularis, and serosa that allow them to perform their specialized functions within the urinary system.
The urinary system
Presentation used to introduce anatomy and physiology students to the urinary system anatomy and physiology. Glomerular filtration, tubular secretion and tubular reabsorption are shown.
Urinary system
The urinary system consists of the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood to remove waste and produce about 1-2 liters of urine per day. Rapid weight loss can cause the kidneys to drop in position and kink the ureters, backing up urine and potentially damaging the kidneys. Urine is formed through glomerular filtration, tubular reabsorption, and tubular secretion in functional units of the kidneys called nephrons. The urinary bladder stores urine temporarily until urination, when it is passed through the urethra out of the body.
1st science 19 urinary system structure and functions
The document discusses the structure and function of the urinary system. It describes the location and roles of the kidneys, ureters, bladder, and urethra. The kidneys filter waste from the blood to produce urine, and contain nephrons that remove waste and regulate chemical balances before urine passes through the ureters to the bladder for storage and eventual expulsion through the urethra.
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1st science 19 urinary system structure and functions
1st science 19 urinary system structure and functions
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Urinary system
The urinary system functions to filter waste from the blood and regulate fluid levels. The kidneys contain nephrons, which are the functional filtering units. Each nephron contains a renal corpuscle with glomerulus for blood filtration, and a renal tubule for reabsorption and secretion. Filtrate passes through the glomerulus and along the tubule, where it is modified before collection in the ureters and storage in the bladder for excretion. The juxtaglomerular apparatus regulates blood pressure and fluid balance.
Ali Abbas (model lesson.ppt).pdf
The document provides an overview of the human kidney. It describes the kidney's gross structure including the renal capsule, cortex, medulla, renal columns, pyramids and papillae. It also describes the microstructure including nephrons, the malpighian capsule with glomerulus and bowman's capsule, and the urinary tubule with proximal and distal portions. The document outlines the functions of the urinary system including homeostasis, regulating blood volume and pH, conserving nutrients, filtering waste from the blood, and excreting and eliminating waste from the body.
823987 urinary-system
The urinary system removes waste from the body via the kidneys, ureters, bladder, and urethra. The kidneys filter blood to form urine via nephrons, which consist of a renal corpuscle and renal tubule. Urine passes from nephrons to the renal pelvis and ureters into the bladder, then exits via the urethra. The kidneys also regulate electrolytes and blood pressure by producing hormones like erythropoietin and renin.
823987 urinary-system
The urinary system removes waste from the body via the kidneys, ureters, bladder, and urethra. The kidneys filter blood to form urine via nephrons, which consist of a renal corpuscle and renal tubule. Urine passes from nephrons to the renal pelvis and ureters into the bladder, then exits via the urethra. The kidneys also regulate electrolytes and blood pressure by producing hormones like erythropoietin and renin.
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This document provides an overview of the normal histology of the kidney. It describes the anatomy and histological features of the major structures of the kidney, including the cortex, medulla, renal corpuscle, nephron (glomerulus, proximal and distal tubules, loop of Henle), collecting duct system, and juxtaglomerular apparatus. Key cellular components such as podocytes, mesangial cells, and intercalated cells are also discussed. The functions of the kidney in regulating fluid and electrolyte balance and producing hormones are briefly introduced.
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The document provides an overview of the urinary system and kidney anatomy and histology. It describes the key functions and components of the kidneys, including the cortex and medulla. It explains the nephron is the functional unit of the kidney, consisting of the renal corpuscle and uriniferous tubule. The renal corpuscle contains the glomerulus and Bowman's capsule. Filtration occurs across the glomerular capillary endothelium, glomerular basement membrane, and podocytes within Bowman's capsule.
Excretory system
i am hafiz m waseem from vehari
bsc in science college multan
msc in university of education lahore pakistan
KIDNEY
KIDNEY IS A VITAL ORGAN IN HUMAN BEINGS. EVERY HUMAN HAS A PAIR OF KIDNEYS WHICH HELP TO EXCRETE OUT WASTE PRODUCTS FROM THE BODY IN THE FORM OF URINE...
URINE IS FORMED IN KIDNEY BY THREE STEPS WHICH ARE
(1) FILTRATION.
(2) ABSORPTION
(3) SECRETION
1-Renal Physiology 1 (Renal Functions & Basic Concepts).ppt
The document provides an overview of renal physiology concepts. It discusses the key functions of the kidney which include filtering blood and regulating water, electrolyte and acid-base balance. The nephron is identified as the structural and functional unit of the kidney. Filtration occurs at the glomerulus, with the glomerular filtration membrane permitting passage of water and small solutes into the filtrate while preventing protein passage. Various tubule segments reabsorb and secrete substances to form the final urine.
THE KIDNEY.
Kidney is a vital organ. Each individual has a pair of kidneys .
kidney is bean shaped organ on either side of your spine, below your ribs and behind your belly. Each kidney is about 4 - 5 inches long, roughly the size of a large fist.
The kidney job is to filter the blood.
kidney is reddish brown in color.
kidneys are also called as retro-peritoneal organ.
There are three layers of tissues that surrounds kidney
1. renal capsule
2. adipose capsule
3. renal fascia.
Human kidney,structure and functions of kidney
human kidney structural and functions.different types of structural components present in kidney and each structure having definite functions.structural and functional aspects of kidney.
URINARY SYSTEM.pptx
The urinary system consists of two kidneys, two ureters, a urinary bladder, and a urethra. The kidneys filter waste from the blood to produce urine. Urine travels from the kidneys down the ureters into the bladder, where it is stored until excretion through the urethra. Each kidney contains approximately 1-2 million functional filtering units called nephrons, which help regulate fluid and electrolyte balance and remove wastes from the bloodstream.
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This presentation is all about Renal System and it's Physiological Processes with complete description.
This is a presentation file for medical students of all disciplines.
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This document discusses the labeling exercise for the micturition reflex and provides an overview of the urinary system. It defines the urinary system and lists its main organs as the kidneys, ureters, urinary bladder, and urethra. It describes the location of the kidneys and provides diagrams of the gross and microscopic kidney structure, labeling components such as the cortex, medulla, nephrons, renal corpuscles, and tubules. It also briefly explains the roles of filtration, reabsorption, and secretion in urine formation and discusses homeostasis functions of the kidneys.
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The genitourinary system, or urogenital system, are the organs of the reproductive system and the urinary system. These are grouped together because of their proximity to each other, their common embryological origin and the use of common pathways, like the male urethra.
Excretory system:Kidneys,ureter,urethra and urinary bladder
it enables the students to know about excretory system:kidneys,urteres,urethra and urinary bladder and function of excretory system ,RAS
1. Kidney.pptx
The kidney is a compound tubular gland covered by a connective tissue capsule. It contains an inner medulla and outer cortex, separated by renal columns. The medulla contains tubules and vessels arranged in pyramids projecting into calyces of the renal sinus. The cortex surrounds the medulla and contains renal corpuscles and convoluted tubules. Tubular structures called nephrons filter blood to form urine, which drains into collecting ducts and exits through papillae in the renal sinus. The kidney regulates homeostasis, hemopoiesis, acid-base balance, electrolyte balance, blood pressure, calcium levels and produces hormones like erythropoietin and renin.
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Botulism is caused by a toxin produced by the bacterium Clostridium botulinum. It was first recorded in Germany in 1793 and several nations weaponized it starting in the 1930s. The botulism toxin is extremely lethal even in small amounts and causes paralysis beginning with the cranial nerves. Treatment involves antitoxin administration and supportive care like mechanical ventilation. While the toxin can cause illness, it also has therapeutic uses for treating muscle spasms and disorders.
Amenorrhea
1. Amenorrhea is classified as primary or secondary. Secondary amenorrhea is the cessation of menses for 6 months or more in a woman who previously had menstruation.
2. Causes of secondary amenorrhea include hypogonadotropic (decreased FSH and LH), hypergonadotropic (increased FSH and LH), and eugonadotropic (normal FSH and LH) types. Specific causes include hypothalamic or pituitary disorders, polycystic ovary syndrome, premature ovarian failure, and anatomical defects.
3. Prolonged hypogonadism from secondary amenorrhea can lead to decreased bone mineral density
Pollinosis(allergic rhinitis), insect allergy & food allergy
This document discusses three conditions: food allergy, insect sting allergy, and pollinosis (allergic rhinitis). For food allergy, it outlines the most common allergenic foods, symptoms, diagnosis involving skin prick and blood tests, and treatments including antihistamines and epinephrine. For insect sting allergy, it describes common culprit insects, symptoms of anaphylaxis, diagnosis using tests, and management through avoidance, epinephrine injection, and immunotherapy. Finally, it defines pollinosis/allergic rhinitis as a hay fever reaction, describes seasonal and perennial types, lists typical symptoms, environmental triggers, diagnosis using tests, and treatments like antihistamines, decon
Chronic nutritions treatments in childrens
This document provides guidelines for treating chronic nutrition disorders in children. It discusses treating hypoglycemia, hypothermia, dehydration, electrolyte imbalance, infection, and micronutrient deficiency. It also covers refeeding, catch-up growth, sensory stimulation and emotional support. Specific treatment recommendations are given for hypoglycemia including feeding every 2-3 hours and using 10% dextrose for unconscious patients. Hypothermia treatment involves warming and treating for hypoglycemia. Dehydration is difficult to diagnose in malnourished children and its severity is often overestimated. Oral rehydration solutions like Pedialyte are recommended depending on the child's age and whether they have mild or severe de
urolithiasis in children Mcq
The document discusses urolithiasis (kidney stone disease) in children. It covers topics such as indications for orchidopexy surgery, management of non-palpable testes, exploration and treatment of testicular torsion, and treatment options for undescended testes that cannot be brought into the scrotum. It also addresses elements of the Fowler-Stephens procedure, management of infants with ambiguous genitalia, factors in testis development, epidemiology of stone disease, physical chemistry of stone formation, types of radiolucent urinary calculi, and time to irreversible renal damage from complete ureteric obstruction.
congenital heart defect in children
Congenital heart disease has a prevalence of 0.5-0.8% of live births. It can be caused by genetic and environmental factors. Defects are classified as acyanotic if there is increased blood flow to the lungs, or cyanotic if there is decreased pulmonary blood flow. Common defects include atrial septal defects, ventricular septal defects, and patent ductus arteriosus. Diagnosis involves tests like echocardiogram and chest x-ray. Treatment options include procedures to close defects, heart transplantation, open heart surgery, and medications to manage symptoms.
Peptic ulcer of stomach and duodenum
This document summarizes information about peptic ulcer disease (PUD), including its causes, symptoms, complications, diagnosis, and treatment. Key points:
- Helicobacter pylori (HP) infection is the primary cause of PUD and is present in 95% of duodenal and 70% of gastric ulcers. Non-steroidal anti-inflammatory drugs can also increase risk.
- Common symptoms include abdominal pain, nausea, loss of appetite, and weight loss. Complications can include bleeding, perforation, and stenosis.
- Diagnosis is typically made through endoscopy, which allows visualization of ulcers. Treatment involves eradicating HP with antibiotic therapy in combination with proton pump
Liver cirrhosis
This document discusses liver cirrhosis, including its classification, pathogenesis, clinical manifestations, complications, diagnostic methods, and treatment. Liver cirrhosis is a chronic progressive disease characterized by decreased hepatocytes and increased fibrosis that leads to hepatic insufficiency and portal hypertension. It has many etiologies including viral, alcoholic, autoimmune, and others. Treatment focuses on nutrition, diuretics, antibiotics to prevent infections, and management of complications like ascites, encephalopathy, and bleeding.
Deficiency of vitamins mcq
The document discusses vitamins and their deficiencies. It provides multiple choice questions about which deficiency different vitamins cause if deficient, best food sources of vitamins, and other facts about vitamins. Vitamin A deficiency causes night blindness, vitamin D deficiency causes rickets and osteomalacia, and vitamin C deficiency causes scurvy. The best sources listed are beef liver for vitamin A, eggs for vitamin B12, and whole grains for vitamin B6. Vitamin D deficiency often occurs when most vitamin D does not come from food sources.
Chronic hepatitis
Chronic hepatitis is a group of chronic inflammatory diseases of the liver characterized by hepatocyte inflammation, necrosis and dystrophy while maintaining the lobular structure. More than 70% are asymptomatic. About 350-400 million people have chronic hepatitis B worldwide and around 180 million have hepatitis C. Treatment depends on the etiology and includes antiviral drugs and interferons with the goal of suppressing viral replication.
Chronic gastritis and duodenitis
Chronic gastritis is a chronic inflammation of the gastric mucosa that commonly results from infection by Helicobacter pylori in 90% of cases. Other causes include NSAID use, smoking, stress, and ischemia. H. pylori infection leads to increased acid secretion and damage to the gastric epithelium. Chronic gastritis is classified based on location and cause, and is usually asymptomatic, though pain, dyspepsia, and fatigue may occur. Diagnosis involves endoscopy, biopsy, and urease testing. Treatment focuses on H. pylori eradication therapy using antibiotic combinations for 10-14 days along with diet and lifestyle modifications. Complications include ulcers, gastric cancer, and
Acute pyelonephritis
1. Acute pyelonephritis is a sudden, severe bacterial infection of the kidneys that commonly affects young women. It is caused by bacteria like E. coli traveling from the bladder to the kidneys.
2. Symptoms include fever over 102°F, flank pain, painful or frequent urination, and other urinary symptoms. Risk factors include female anatomy, kidney stones, diabetes, and other underlying conditions.
3. Diagnosis involves urine and blood tests showing white blood cells and bacteria. Imaging tests can confirm infection in the kidneys. Treatment consists of intravenous or oral antibiotics like ciprofloxacin or trimethoprim/sulfamethoxazole for 5-14 days.
Chronic enteritis and colitis Mohit
Chronic enteritis and colitis are inflammatory diseases of the small and large intestines respectively. Chronic enteritis is characterized by inflammation and damage to the small intestine mucosa, impairing digestion and absorption. It has many potential causes and can lead to diarrhea, abdominal pain, weight loss and malnutrition. Ulcerative colitis specifically affects the colon, and is thought to involve immune system dysfunction. It causes bloody diarrhea and general symptoms like fatigue. Treatment focuses on suppressing inflammation, improving intestinal function, and managing complications.
TBI (Traumatic brain injury )
Mohit Rulaniya's topic discusses traumatic brain injury (TBI). TBI occurs when an external force injures the brain and can be classified based on severity and whether it is an open or closed head injury. TBI can cause physical, cognitive, social, emotional and behavioral symptoms and outcomes can range from full recovery to permanent disability or death. Common causes of TBI include open head injuries from bullets or wounds, closed head injuries from falls or vehicle crashes, lack of oxygen, tumors, infections, strokes, and chemical or toxic exposures. Diagnosis of TBI may involve neurological exams, CT scans, MRIs, EEGs, X-rays, angiography, and SPECT or PET scans.
The female reproductive system
The female reproductive system produces a finite number of eggs during a woman's lifetime. During fetal development, millions of primordial follicles form in the ovaries, but many degenerate, leaving a few hundred thousand at birth and only 400 that will mature. Each month during a woman's reproductive years, hormones cause follicles to mature and eggs to be released through ovulation. If fertilization does not occur, the corpus luteum breaks down and menstruation begins.
Hypothyroidism Mohit
Hypothyroidism is an underactive thyroid gland that results in reduced thyroid hormone levels in the blood. It is a clinical syndrome that can be caused by Hashimoto's thyroiditis, radioactive iodine treatment, medications, thyroid surgery, or pituitary/hypothalamus disorders. Symptoms include fatigue, dry skin, constipation, depression, muscle weakness, and increased risk of heart problems. Diagnosis involves testing TSH and T4 hormone levels in blood tests and sometimes ultrasound. Treatment is through thyroid hormone supplementation using levothyroxine medication.
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Excretory system
- 2. Excretory system – The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage to the body. Its consist of – Kidneys Liver Bile Large intestine Skin Eccrine
- 3. kidney - The kidneys are two bean-shaped organs. - Bean shaped, reddish brown. - Located retroperitoneal between T12 – L3 vertebral level. - Size approxly 10 x 6.5 x 3 cm. - Weighs around 135-150 grams. - Highly vascular organ. - Receives 25 % of cardiac output. - Kidney produces urine – ultrafiltration of blood, which is then modified by selective resorption and specific secretion by cells of kidney
- 6. Kidney tissue consists of to part – a – outer one called cortex b – inner one called medulla MEDULLA – is made up of triangular area of renal tissue are called renal pyramids. RENAL CORTEX – consist of following – (a) – medullary rays (b) – renal columns (c) – a thin layer of fibrous tissue
- 7. NEPHRON – is a structural and functional . its consist of – (a) – renal corpuscle / malpighian corpuscle (b) – renal tubule its consist of – a – proximal convoluted tubule b – loop of henle c – distal convoluted tubule
- 8. mm
- 9. NECK – part between PCT & capsule made up of cilliated cuboidal epithilium PCT – situated in cortex made up of cuboidal epithilium microvilli present forms brush border LOOP OF HENLE – U – shaped divided into ascending and descending arms. thin part made up of squamous epithilium mostly part present in medulla
- 10. thick part made up of cuboidal epithilium DCT – also present in cortex made up from cuboidal epithilium.
- 11. Collecting Tubule and Duct - Drain urine from nephron to renal pelvis. - Lie on medullary ray within cortex. - Progressively increase in diameter towards medulla. - Simple epithelium - Squamous to cuboidal. - Cell boundaries are seen