1 Histo Images Exam2
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This document provides an overview of the anatomy and histology of several organs including the esophagus, stomach, small intestine, liver, kidney, and female reproductive system. Key structures are identified for each organ, such as the layers of the stomach, gastric glands and cells, intestinal villi and goblet cells, hepatic sinusoids and bile ducts, renal glomerulus and tubules, as well as ovarian follicles. Diagrams illustrate the microscopic and macroscopic features.
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Exam 4 slides (2)
This document contains anatomical terms and labels related to various organisms including:
- Parts of the male reproductive system like testes, vas deferens, and seminal vesicles.
- Internal anatomy labels like pseudocoelom, hypodermis, intestine, ovary, oviduct, and uterus in reference to an unknown organism.
- Terms describing the larval stage called L1 and nurse cells.
- Labels for pinworm anatomy including pharyngeal bulb.
- Labels found in various organisms like mantle, gills, foot, intestine, heart, kidney, blood vessels, nerve cord, muscles, nephridium and epithelium.
Exam 4 models
This document provides an anatomical overview of an unknown organism, listing and describing its internal organs and structures. Key organs and structures mentioned include the gonads, intestines, gills, kidneys, shell, foot, heart, mantle, mouth, brain, pharynx, seminal receptacles, seminal vesicles, gizzard, calciferous glands, nephridia, chlorogogue cells, nerve cord, ovaries, uterus, hypodermis, lateral line, pseudocoelom, longitudinal and circular muscles, peritoneum, lumen, blood vessels, cuticle, epidermis, setae, and typosole. The functions of digestion, reproduction, excretion, segmentation, and food storage are
Station 3 digestive system
The digestive system has two major parts: the alimentary canal, also known as the gastrointestinal (GI) tract, which is a continuous muscular tube that begins at the mouth and ends at the anus to digest food and absorb nutrients. The accessory organs, also called assistants, include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas which contribute to breaking down foodstuffs during digestion.
ENDOCRINE SYSTEM OF A GOAT
The endocrine system works with the nervous system to regulate and control bodily functions through the secretion of hormones. The major endocrine glands include the hypothalamus, pituitary gland, thyroid gland, parathyroid glands, adrenal glands, pancreas, ovaries, and testes. Hormones are chemical messengers that are released into the bloodstream and target specific cells and tissues to bring about longer-term physiological adaptations in the body.
Digestive system bovine
The document lists and describes various parts of the bovine digestive system including the tongue, teeth, esophagus, rumen, omasum, abomasum, stomach, duodenum, jejunum, ileum, colon, anorectal junction, liver, gallbladder and their subcomponents and tissues. It focuses on the anatomical structures and features of the bovine digestive tract.
Accessory organs of digestive system in goat 111
This document provides information on various accessory organs including the tongue, teeth, salivary glands, liver, pancreas, and spleen. It describes the location, parts, functions, and other key details about each organ. The tongue has a root, body and apex covered in papillae including filliform, fungiform, lenticular and vallate papillae. Teeth are made of pulp, dentine, enamel and cementum and there are different types. Salivary glands include parotid, sublingual and submandibular glands. The liver has two surfaces and ligaments and performs metabolic functions. The spleen acts as a blood filter and aids immunity. The pancreas secretes
Hist2 0 history-b
The document discusses several problems and difficulties in writing Philippine history, including a scarcity of written materials, especially at the local level. Translation issues with documents written in Spanish or other languages also pose problems. Foreign writers' biases and prejudices have also impacted Philippine histories. There is a lack of representative materials across the entire country, and some ethnic groups lack a written tradition. Finally, there are few trained historians in the Philippines. The document also outlines several major philosophies or views in the study of history, including the cyclical, providential, progressive, Marxist, and relativist views.
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Exam 4 slides (2)
This document contains anatomical terms and labels related to various organisms including:
- Parts of the male reproductive system like testes, vas deferens, and seminal vesicles.
- Internal anatomy labels like pseudocoelom, hypodermis, intestine, ovary, oviduct, and uterus in reference to an unknown organism.
- Terms describing the larval stage called L1 and nurse cells.
- Labels for pinworm anatomy including pharyngeal bulb.
- Labels found in various organisms like mantle, gills, foot, intestine, heart, kidney, blood vessels, nerve cord, muscles, nephridium and epithelium.
Exam 4 models
This document provides an anatomical overview of an unknown organism, listing and describing its internal organs and structures. Key organs and structures mentioned include the gonads, intestines, gills, kidneys, shell, foot, heart, mantle, mouth, brain, pharynx, seminal receptacles, seminal vesicles, gizzard, calciferous glands, nephridia, chlorogogue cells, nerve cord, ovaries, uterus, hypodermis, lateral line, pseudocoelom, longitudinal and circular muscles, peritoneum, lumen, blood vessels, cuticle, epidermis, setae, and typosole. The functions of digestion, reproduction, excretion, segmentation, and food storage are
Station 3 digestive system
The digestive system has two major parts: the alimentary canal, also known as the gastrointestinal (GI) tract, which is a continuous muscular tube that begins at the mouth and ends at the anus to digest food and absorb nutrients. The accessory organs, also called assistants, include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas which contribute to breaking down foodstuffs during digestion.
ENDOCRINE SYSTEM OF A GOAT
The endocrine system works with the nervous system to regulate and control bodily functions through the secretion of hormones. The major endocrine glands include the hypothalamus, pituitary gland, thyroid gland, parathyroid glands, adrenal glands, pancreas, ovaries, and testes. Hormones are chemical messengers that are released into the bloodstream and target specific cells and tissues to bring about longer-term physiological adaptations in the body.
Digestive system bovine
The document lists and describes various parts of the bovine digestive system including the tongue, teeth, esophagus, rumen, omasum, abomasum, stomach, duodenum, jejunum, ileum, colon, anorectal junction, liver, gallbladder and their subcomponents and tissues. It focuses on the anatomical structures and features of the bovine digestive tract.
Accessory organs of digestive system in goat 111
This document provides information on various accessory organs including the tongue, teeth, salivary glands, liver, pancreas, and spleen. It describes the location, parts, functions, and other key details about each organ. The tongue has a root, body and apex covered in papillae including filliform, fungiform, lenticular and vallate papillae. Teeth are made of pulp, dentine, enamel and cementum and there are different types. Salivary glands include parotid, sublingual and submandibular glands. The liver has two surfaces and ligaments and performs metabolic functions. The spleen acts as a blood filter and aids immunity. The pancreas secretes
Hist2 0 history-b
The document discusses several problems and difficulties in writing Philippine history, including a scarcity of written materials, especially at the local level. Translation issues with documents written in Spanish or other languages also pose problems. Foreign writers' biases and prejudices have also impacted Philippine histories. There is a lack of representative materials across the entire country, and some ethnic groups lack a written tradition. Finally, there are few trained historians in the Philippines. The document also outlines several major philosophies or views in the study of history, including the cyclical, providential, progressive, Marxist, and relativist views.
Socio5 1 jose rizal - An Introduction about Heroes
An introductory topic for Rizal course. This presentation includes topics about Heroism, Issues confronting rizal, and the Rizal Law
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The document summarizes key aspects of Philippine history under Spanish colonial rule from the 16th century to the 19th century. It discusses the initial contact and conversion of natives to Catholicism starting with the Magellan expedition. It then covers the pacification campaigns of the Spaniards and the establishment of settlements through military might and religion. The document also summarizes the policies of attraction and divide and conquer used by the Spaniards to subjugate the Filipinos. It discusses the systems of encomienda, taxation, and other government monopolies that exploited the natives and caused economic decline. It also notes the initial resistance of groups like the Moros and cultural communities that were able to avoid subjugation.
Hist2 4 pre-spanish culture
Pre-Spanish Philippine culture was characterized by diverse ethnic groups, each with their own customs, beliefs, and practices. People wore minimal clothing made from local materials and adorned themselves with tattoos and gold/bead jewelry. They lived in nipa huts elevated from the ground and were organized into barangays led by datus. Society consisted of nobles, freemen, and dependent classes. Agriculture, fishing, and crafts like weaving and pottery supported economic activities. Religion centered on animistic beliefs in spirits and nature. Disputes were typically settled within communities using trials by ordeal, and over 100 languages were spoken.
Hist2 3 early philippines to 1565
1. There were several theories about how the Philippines was originally populated, including that the early Filipinos sprang from the soil, were created by the sun, or descended from Adam. 2. Archaeological evidence suggests the earliest inhabitants may have migrated over land bridges during the Ice Age around 25,000 years ago. 3. The Philippines engaged in extensive trade with other Asian countries and China as early as the 10th century, exchanging goods like pottery and gold.
Hist2 2 influences or effects of geography on the history
The document discusses how geography influenced the history and culture of the Filipinos. Geography led the Filipinos to develop farming, fishing, and boat building as their primary occupations. It also affected the development of weaving, pottery-making, and hunting tools from local resources. Geographically, the Philippines' islands and regions caused regionalism and sectionalism to emerge while delaying a sense of nationalism. Its terrain also made it difficult for foreign invaders to subjugate the Filipino people and caused uneven development between upland and lowland communities.
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The Spanish colonization of the Philippines was driven by economic, political, and religious factors in 15th-16th century Europe. Developments like the Renaissance, new navigational instruments, and voyages to Asia stimulated European interest in trade with the East. The fall of Constantinople also motivated the search for new trade routes, alongside the goals of spreading Catholicism and finding routes to valuable Asian spices.
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The Philippines has an irregular coastline that stretches over 36,000 km. It is an archipelago located in a seismically active and typhoon-prone area, with over 7,000 islands. The geography is characterized by mountains, volcanoes, valleys, and plains. The climate is tropical maritime with a dry and wet season. The population is over 95 million, speaking over 170 languages. The main industries are agriculture, fishing, and mining.
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The document summarizes the histology of the digestive tract mucosa, submucosa, muscularis, and serosa. It describes the epithelium and specialized structures of the esophagus, stomach, small intestine, large intestine, and anus. The esophagus contains non-keratinized stratified squamous epithelium. The stomach contains simple columnar epithelium that invaginates into gastric pits and glands. The small intestine contains simple columnar epithelium with plicae circulares and villi containing crypts of Lieberkuhn. The large intestine contains simple columnar epithelium organized in intestinal glands.
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This document summarizes the microscopic structure and histophysiology of the esophagus, stomach, small intestine, and large intestine. It describes the general structure of each segment, including the mucosa, glands, and cell types present. The small intestine contains circular folds, intestinal villi, and microvilli to aid absorption. The large intestine contains semilunar folds and crypts of Lieberkühn and processes waste material.
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The document describes the histologic structures of the upper alimentary tract, including the oral cavity, esophagus, stomach, and duodenum. It details the epithelial layers, connective tissues, and glands of each structure. In the oral cavity, it examines the lips, palate, teeth, and tongue. The esophagus contains stratified squamous epithelium and esophageal glands. The stomach is divided into regions and contains gastric pits and branched tubular glands with various cell types that secrete digestive factors. The duodenum contains plicae circulares and villi for enzyme and nutrient absorption.
Middle_Digestive_Tract.pdf
Stomach and Small Intestine - Anatomy Lecture 2nd Year - Medical University Sofia- by Professor N. Lazarov
download.pdf
The document summarizes the histology of the digestive system. It describes the basic histological layers that make up the digestive tract - mucosa, submucosa, muscularis, and serosa. It then provides details on the epithelium and other specialized structures found in the mucosa and submucosa of different organs, including the esophagus, stomach, small intestine, large intestine, and anus. It also describes the smooth muscle layers in the muscularis of each organ.
Histo practical sem 2
This document provides a summary of histology material for a semester 2 exam. It includes definitions and descriptions of 3 key cell types found in the small intestine (enterocytes, paneth cells, and chief cells). It also summarizes histological structures of the kidney (medulla, podocytes), stomach (parietal cells), and pituitary gland (acidophils, basophils, chromophobes). Throughout, it emphasizes structures and cells that could appear on the exam.
HIStology ..Esophagus intestine stom engl
The document describes the structure and layers of the digestive tract, with a focus on the esophagus, stomach, and small intestine. It notes that the digestive tract consists of four functional layers - the mucosa, submucosa, muscularis externa, and adventitia/serosa. It provides detailed information on the histological structure and cell types present in the mucosa and submucosa of the esophagus, stomach, and small intestine. It highlights key features such as the stratified squamous epithelium of the esophagus, gastric pits and glands of the stomach, and villi and crypts of the small intestine.
Digestive System
The document discusses the general functions and anatomy of the digestive system. It describes the individual organs and their structures in detail. The digestive tract consists of a hollow muscular tube and accessory organs. Its overall function is to process food for absorption and eliminate waste. Each organ has specific roles in mechanical and chemical digestion, secretion, absorption, and waste removal. The document outlines the histological organization and layers of the digestive tract walls. It provides detailed descriptions of each organ's gross and microscopic anatomy.
Digestive System II
Histology of the Digestive System II:
Stomach
Small intestine
Large intestine
Lecture presentation by Professor Tatiana Bororinkhina of First Moscow State Medical University
Histology of gastrointestinal tract
The mucose membrane lining of gastrointestinal tract is stratified squamous epithelium at the esophagus which slowly convert into simple columnar epithelium at the stomach until the anus it converts back into the stratified squamous epithelium at the lower half of the anal canal. The stratified epithelium is a wear and tear epithelium.
As it passes down from the small to large intestine, goblet cells increase because as it passes down water was absorb, goblet cells function to produce mucous.
This is just a rough idea, for better slides with more reference please PM the author at davidgqf@gmail.com.
Chapter22 digestivepart1marieb
The document discusses the anatomy and functions of the digestive system. It describes the general organization of the digestive tract from the mouth to the anus. It then discusses the individual organs of the digestive system including the oral cavity, esophagus, stomach, salivary glands, and teeth. It provides details on the layers of the gut wall and histology of the stomach.
histology of digestive system (1)
The document provides information on the digestive system. It discusses the different parts of the digestive system including the oral cavity, esophagus, stomach, and small intestine. It describes the histological layers common to the tubular organs of the digestive system, including the mucosa, submucosa, muscularis, and serosa/adventitia. It also provides details on the microscopic structure and functions of the various glands and tissues within these organs.
K 3 digestive system (histologi)
The document summarizes the anatomy of several organs in the oral cavity and alimentary canal. It describes the histological structure of the lips, palate, tongue, esophagus, stomach, small intestine, large intestine, and associated glands. Key details provided on each organ include the epithelial lining, layers of tissue, presence of glands or muscle, and histological cell types. Functions of some structures are also mentioned.
Histology of Small Intestine.pptx
What is the small intestine?
The small intestine is part of your digestive system. It makes up part of the long pathway that food takes through your body, called the gastrointestinal (GI) tract. When food leaves your stomach, it enters the small intestine, also called the small bowel. The small bowel connects to the large bowel, also called the large intestine or colon. The intestines are responsible for breaking food down, absorbing its nutrients and solidifying the waste. The small intestine is the longest part of the GI tract, and it is where most of your digestion takes place.
What are the different parts of the small intestine?
The small intestine has a beginning section, a middle section and an end section. Although there is no real separation between the parts, they do have slightly different characteristics and roles to play.
Duodenum
The duodenum is the first part of the small intestine that the stomach feeds into. It’s a short, descending chute (about 10 inches long) that curves around the pancreas in a “C” shape before connecting to the rest of the coiled intestines.
Jejunum
The remaining small intestine lays in many coils inside the lower abdominal cavity. Its middle section, called the jejunum, makes up a little less than half of this remaining length. The jejunum is characterized by many blood vessels, which give it a deep red color.
Ileum
The ileum is the last and longest section of the small intestine. Here the walls of the small intestine begin to thin and narrow, and blood supply is reduced. Food spends the most time in the ileum, where the most water and nutrients are absorbed.
FUNCTION
What does the small intestine do?
The small intestine is where most of the long process of digestion takes place. It:
Systematically breaks food down.
Absorbs nutrients.
Extracts water.
Moves food along the gastrointestinal tract.
There’s a lot involved in all this. The process can take up to five hours.
How do the different parts of the small intestine work?
Duodenum
To help break food down, the small intestine receives digestive juices from other organs in your digestive system, including your liver, gallbladder and pancreas. Ducts from these organs feed into the duodenum. Hormone glands in the lining of the duodenum signal these organs to release their chemicals when food is present.
Jejunum
After chemical digestion in the duodenum, food moves into the jejunum, where the muscle work of digestion picks up. Nerves in the intestinal walls trigger its muscles to churn food back and forth (segmentation), mixing it with digestive juices. Other muscle movements (peristalsis) keep the food moving gradually forward.
Mucosa
The walls of the small intestine are lined with a dense mucosa with many glands that both secrete and absorb. In the jejunum and the ileum, the mucosa secretes small amounts of digestive enzymes and lubricating mucus while absorbing nutrients from your food.
Introduction of GIT and stomach
The document provides an overview of the gastrointestinal tract (GIT) and stomach. It discusses that the GIT performs digestion, absorption and waste excretion. The stomach is the widest part of the GIT and is J-shaped. The stomach is located in the epigastric, umbilical and left hypochondriac regions. The wall of the stomach has a lumen, mucosa, submucosa, muscularis layer and serosa. The stomach receives blood supply from branches of the coeliac trunk and is innervated by the vagus nerve. Peptic ulcers are commonly caused by H. pylori infection or NSAIDs and can form in the stomach or duodenum.
Chapter23 digestivepart2marieb
The document discusses the anatomy and functions of the digestive system, describing the tubular nature of the digestive tract and its individual organs like the liver, gallbladder, pancreas, and sections of the small and large intestines. It provides details on the histology and microscopic structure of the digestive organs and discusses their roles in digestion and absorption of nutrients. The major blood vessels supplying the digestive system and regions like the duodenum, jejunum and ileum of the small intestine are also outlined.
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Hist2 6 the coming of the spaniards
The document summarizes key aspects of Philippine history under Spanish colonial rule from the 16th century to the 19th century. It discusses the initial contact and conversion of natives to Catholicism starting with the Magellan expedition. It then covers the pacification campaigns of the Spaniards and the establishment of settlements through military might and religion. The document also summarizes the policies of attraction and divide and conquer used by the Spaniards to subjugate the Filipinos. It discusses the systems of encomienda, taxation, and other government monopolies that exploited the natives and caused economic decline. It also notes the initial resistance of groups like the Moros and cultural communities that were able to avoid subjugation.
Hist2 4 pre-spanish culture
Pre-Spanish Philippine culture was characterized by diverse ethnic groups, each with their own customs, beliefs, and practices. People wore minimal clothing made from local materials and adorned themselves with tattoos and gold/bead jewelry. They lived in nipa huts elevated from the ground and were organized into barangays led by datus. Society consisted of nobles, freemen, and dependent classes. Agriculture, fishing, and crafts like weaving and pottery supported economic activities. Religion centered on animistic beliefs in spirits and nature. Disputes were typically settled within communities using trials by ordeal, and over 100 languages were spoken.
Hist2 3 early philippines to 1565
1. There were several theories about how the Philippines was originally populated, including that the early Filipinos sprang from the soil, were created by the sun, or descended from Adam. 2. Archaeological evidence suggests the earliest inhabitants may have migrated over land bridges during the Ice Age around 25,000 years ago. 3. The Philippines engaged in extensive trade with other Asian countries and China as early as the 10th century, exchanging goods like pottery and gold.
Hist2 2 influences or effects of geography on the history
The document discusses how geography influenced the history and culture of the Filipinos. Geography led the Filipinos to develop farming, fishing, and boat building as their primary occupations. It also affected the development of weaving, pottery-making, and hunting tools from local resources. Geographically, the Philippines' islands and regions caused regionalism and sectionalism to emerge while delaying a sense of nationalism. Its terrain also made it difficult for foreign invaders to subjugate the Filipino people and caused uneven development between upland and lowland communities.
Hist2 5 the formation of philippine colonial society, 1565-1762-a
The Spanish colonization of the Philippines was driven by economic, political, and religious factors in 15th-16th century Europe. Developments like the Renaissance, new navigational instruments, and voyages to Asia stimulated European interest in trade with the East. The fall of Constantinople also motivated the search for new trade routes, alongside the goals of spreading Catholicism and finding routes to valuable Asian spices.
Hist2 1 philippine setting
The Philippines has an irregular coastline that stretches over 36,000 km. It is an archipelago located in a seismically active and typhoon-prone area, with over 7,000 islands. The geography is characterized by mountains, volcanoes, valleys, and plains. The climate is tropical maritime with a dry and wet season. The population is over 95 million, speaking over 170 languages. The main industries are agriculture, fishing, and mining.
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Hist2 2 influences or effects of geography on the history
Hist2 2 influences or effects of geography on the history
Hist2 5 the formation of philippine colonial society, 1565-1762-a
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Similar to 1 Histo Images Exam2
Lect. 13b digestive system
The document summarizes the histology of the digestive tract mucosa, submucosa, muscularis, and serosa. It describes the epithelium and specialized structures of the esophagus, stomach, small intestine, large intestine, and anus. The esophagus contains non-keratinized stratified squamous epithelium. The stomach contains simple columnar epithelium that invaginates into gastric pits and glands. The small intestine contains simple columnar epithelium with plicae circulares and villi containing crypts of Lieberkuhn. The large intestine contains simple columnar epithelium organized in intestinal glands.
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This document summarizes the microscopic structure and histophysiology of the esophagus, stomach, small intestine, and large intestine. It describes the general structure of each segment, including the mucosa, glands, and cell types present. The small intestine contains circular folds, intestinal villi, and microvilli to aid absorption. The large intestine contains semilunar folds and crypts of Lieberkühn and processes waste material.
Histological structure of upper alimentary system
The document describes the histologic structures of the upper alimentary tract, including the oral cavity, esophagus, stomach, and duodenum. It details the epithelial layers, connective tissues, and glands of each structure. In the oral cavity, it examines the lips, palate, teeth, and tongue. The esophagus contains stratified squamous epithelium and esophageal glands. The stomach is divided into regions and contains gastric pits and branched tubular glands with various cell types that secrete digestive factors. The duodenum contains plicae circulares and villi for enzyme and nutrient absorption.
Middle_Digestive_Tract.pdf
Stomach and Small Intestine - Anatomy Lecture 2nd Year - Medical University Sofia- by Professor N. Lazarov
download.pdf
The document summarizes the histology of the digestive system. It describes the basic histological layers that make up the digestive tract - mucosa, submucosa, muscularis, and serosa. It then provides details on the epithelium and other specialized structures found in the mucosa and submucosa of different organs, including the esophagus, stomach, small intestine, large intestine, and anus. It also describes the smooth muscle layers in the muscularis of each organ.
Histo practical sem 2
This document provides a summary of histology material for a semester 2 exam. It includes definitions and descriptions of 3 key cell types found in the small intestine (enterocytes, paneth cells, and chief cells). It also summarizes histological structures of the kidney (medulla, podocytes), stomach (parietal cells), and pituitary gland (acidophils, basophils, chromophobes). Throughout, it emphasizes structures and cells that could appear on the exam.
HIStology ..Esophagus intestine stom engl
The document describes the structure and layers of the digestive tract, with a focus on the esophagus, stomach, and small intestine. It notes that the digestive tract consists of four functional layers - the mucosa, submucosa, muscularis externa, and adventitia/serosa. It provides detailed information on the histological structure and cell types present in the mucosa and submucosa of the esophagus, stomach, and small intestine. It highlights key features such as the stratified squamous epithelium of the esophagus, gastric pits and glands of the stomach, and villi and crypts of the small intestine.
Digestive System
The document discusses the general functions and anatomy of the digestive system. It describes the individual organs and their structures in detail. The digestive tract consists of a hollow muscular tube and accessory organs. Its overall function is to process food for absorption and eliminate waste. Each organ has specific roles in mechanical and chemical digestion, secretion, absorption, and waste removal. The document outlines the histological organization and layers of the digestive tract walls. It provides detailed descriptions of each organ's gross and microscopic anatomy.
Digestive System II
Histology of the Digestive System II:
Stomach
Small intestine
Large intestine
Lecture presentation by Professor Tatiana Bororinkhina of First Moscow State Medical University
Histology of gastrointestinal tract
The mucose membrane lining of gastrointestinal tract is stratified squamous epithelium at the esophagus which slowly convert into simple columnar epithelium at the stomach until the anus it converts back into the stratified squamous epithelium at the lower half of the anal canal. The stratified epithelium is a wear and tear epithelium.
As it passes down from the small to large intestine, goblet cells increase because as it passes down water was absorb, goblet cells function to produce mucous.
This is just a rough idea, for better slides with more reference please PM the author at davidgqf@gmail.com.
Chapter22 digestivepart1marieb
The document discusses the anatomy and functions of the digestive system. It describes the general organization of the digestive tract from the mouth to the anus. It then discusses the individual organs of the digestive system including the oral cavity, esophagus, stomach, salivary glands, and teeth. It provides details on the layers of the gut wall and histology of the stomach.
histology of digestive system (1)
The document provides information on the digestive system. It discusses the different parts of the digestive system including the oral cavity, esophagus, stomach, and small intestine. It describes the histological layers common to the tubular organs of the digestive system, including the mucosa, submucosa, muscularis, and serosa/adventitia. It also provides details on the microscopic structure and functions of the various glands and tissues within these organs.
K 3 digestive system (histologi)
The document summarizes the anatomy of several organs in the oral cavity and alimentary canal. It describes the histological structure of the lips, palate, tongue, esophagus, stomach, small intestine, large intestine, and associated glands. Key details provided on each organ include the epithelial lining, layers of tissue, presence of glands or muscle, and histological cell types. Functions of some structures are also mentioned.
Histology of Small Intestine.pptx
What is the small intestine?
The small intestine is part of your digestive system. It makes up part of the long pathway that food takes through your body, called the gastrointestinal (GI) tract. When food leaves your stomach, it enters the small intestine, also called the small bowel. The small bowel connects to the large bowel, also called the large intestine or colon. The intestines are responsible for breaking food down, absorbing its nutrients and solidifying the waste. The small intestine is the longest part of the GI tract, and it is where most of your digestion takes place.
What are the different parts of the small intestine?
The small intestine has a beginning section, a middle section and an end section. Although there is no real separation between the parts, they do have slightly different characteristics and roles to play.
Duodenum
The duodenum is the first part of the small intestine that the stomach feeds into. It’s a short, descending chute (about 10 inches long) that curves around the pancreas in a “C” shape before connecting to the rest of the coiled intestines.
Jejunum
The remaining small intestine lays in many coils inside the lower abdominal cavity. Its middle section, called the jejunum, makes up a little less than half of this remaining length. The jejunum is characterized by many blood vessels, which give it a deep red color.
Ileum
The ileum is the last and longest section of the small intestine. Here the walls of the small intestine begin to thin and narrow, and blood supply is reduced. Food spends the most time in the ileum, where the most water and nutrients are absorbed.
FUNCTION
What does the small intestine do?
The small intestine is where most of the long process of digestion takes place. It:
Systematically breaks food down.
Absorbs nutrients.
Extracts water.
Moves food along the gastrointestinal tract.
There’s a lot involved in all this. The process can take up to five hours.
How do the different parts of the small intestine work?
Duodenum
To help break food down, the small intestine receives digestive juices from other organs in your digestive system, including your liver, gallbladder and pancreas. Ducts from these organs feed into the duodenum. Hormone glands in the lining of the duodenum signal these organs to release their chemicals when food is present.
Jejunum
After chemical digestion in the duodenum, food moves into the jejunum, where the muscle work of digestion picks up. Nerves in the intestinal walls trigger its muscles to churn food back and forth (segmentation), mixing it with digestive juices. Other muscle movements (peristalsis) keep the food moving gradually forward.
Mucosa
The walls of the small intestine are lined with a dense mucosa with many glands that both secrete and absorb. In the jejunum and the ileum, the mucosa secretes small amounts of digestive enzymes and lubricating mucus while absorbing nutrients from your food.
Introduction of GIT and stomach
The document provides an overview of the gastrointestinal tract (GIT) and stomach. It discusses that the GIT performs digestion, absorption and waste excretion. The stomach is the widest part of the GIT and is J-shaped. The stomach is located in the epigastric, umbilical and left hypochondriac regions. The wall of the stomach has a lumen, mucosa, submucosa, muscularis layer and serosa. The stomach receives blood supply from branches of the coeliac trunk and is innervated by the vagus nerve. Peptic ulcers are commonly caused by H. pylori infection or NSAIDs and can form in the stomach or duodenum.
Chapter23 digestivepart2marieb
The document discusses the anatomy and functions of the digestive system, describing the tubular nature of the digestive tract and its individual organs like the liver, gallbladder, pancreas, and sections of the small and large intestines. It provides details on the histology and microscopic structure of the digestive organs and discusses their roles in digestion and absorption of nutrients. The major blood vessels supplying the digestive system and regions like the duodenum, jejunum and ileum of the small intestine are also outlined.
Digestive system - anatomy
The digestive system breaks down ingested food into nutrients that can be absorbed and used by the body. It consists of the alimentary canal and accessory organs. The alimentary canal includes the mouth, esophagus, stomach, small intestine, large intestine, and anus. Accessory organs include the teeth, tongue, salivary glands, liver, gallbladder and pancreas. Food is ingested, digested, absorbed, and waste is eliminated in a multi-step process involving both mechanical and chemical breakdown as well as nutrient absorption throughout the alimentary canal.
Introduction of digestive system .pdf
The digestive system breaks down ingested food into nutrients that can be absorbed and used by the body. The main organs include the mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas, and gallbladder. In the mouth, food is chewed and mixed with saliva. The esophagus transports food to the stomach through peristalsis. The stomach mixes food with acids and enzymes to form chyme. The small intestine further digests food with enzymes from the pancreas and bile from the liver. Nutrients are absorbed through the intestinal walls. Undigested waste passes to the large intestine, where water is absorbed before waste is excreted as feces through the anus
Chapter22 digestivepart2marieb
The document summarizes key aspects of the digestive system, including:
1) It describes the general organization of the digestive tract into four layers - mucosa, submucosa, muscularis externa, and serosa.
2) It outlines the regions and functions of the small intestine - duodenum, jejunum, and ileum. Most absorption occurs in the small intestine.
3) It discusses the large intestine/colon and its regions - ascending, transverse, descending, and sigmoid colon. The colon has fewer villi and glands than the small intestine.
4) It briefly covers the liver, gallbladder, and pancreas - their locations, functions, histology
Stomach histology
The stomach has 4 anatomical regions but is divided into 3 histological regions - cardiac, fundic, and pyloric. The fundic region includes both the fundus and body regions histologically. The cardiac region contains cardiac glands that secrete mucus. The fundic region contains fundic (gastric) glands that secrete enzymes and mucus, including chief and parietal cells. The pyloric region contains a combination of pyloric glands that secrete mucus and neuroendocrine cells that secrete gastrin. All regions have 4 basic layers - mucosa, submucosa, muscularis propria, and serosa.
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1 Histo Images Exam2
- 1. ME SM E MM LP EG SM ME (circular) ESOPHAGUS
- 2. ME (circular) ME (longitudinal) Myenteric plexus ESOPHAGUS PARASYMPATHETICS
- 3. Esophagus (SSNK) Stomach (SC) ESOPHOGASTRIC JUNCTION
- 5. 1. Mucosa (glands) 2. Submucosa (no glands) 3. Muscularis Externa 4. Serosa Layers of the Stomach
- 6. Pit Isthmus Neck Base Gastric Glands (gastric region only)
- 7. Pit Cells Parietal Cells Chief Cells
- 8. Parietal cell (HCL, HI) Mitochondria rich Chief cell (pepsinogen) RER rich
- 9. Deep pits MM Pyloric Region
- 10. Intestinal villi Pylorus w/ ruga Pyloric sphincter Brunner’s glands
- 11. Plicae circulares No Brunner’s glands (not duodenum) villi
- 12. villi LP MM BG Pyloric glands circular longitudinal Duodenum Pyloric stomach
- 13. Goblet cell enterocyte lacteal
- 14. Paneth cells Stem cells
- 16. Ileum Appendix Peyer’s patch
- 17. Large intestine--Colon Intestinal gland NO VILLI
- 18. Teniae coli Large intestine
- 19. sinusoids Portal space Sublobular V Distributing vessels To Hepatic vein Central vein
- 20. Cords of hepatocytes sinusoids Bile duct Portal vein Hepatic artery
- 21. Ito cell Space of Disse Bile Canaliculus Lumen of sinusoid Lumen of sinusoid
- 22. Gallbladder
- 23. MD
- 24. A B C D A =Vascular pole, B=glomerulus, C=urinary space, D= urinary pole Parietal layer of Bowman’s capsule
- 25. MD G P P D D Microvilli of proximal tubule
- 26. Glomerulus Renal lobule Medullary Ray
- 27. Ureter
- 28. Urinary bladder
- 30. Zona pellucida granulosa Primary Follicle Primordial Follicle Antrum Secondary Follicle granulosa