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Abdomen: want to learn more about it?
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Kim Bengochea, Regis University, Denver
Abdomen
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Abdominal wall
The structures of the abdominal wall support and maintain the anatomical position of the organs within as well as protect them from injury.
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Regions of the abdomenBorders and contents of the abdominal regions.
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Muscles of the abdominal wallMain muscles found in the abdominal wall.
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Abdominal surface of the diaphragmStructures seen on the abdominal surface of the diaphragm.
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Neurovasculature of the abdominal wallIntroduction to the nerves and vessels of the abdominal wall
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Inguinal canalStructure and contents of the inguinal canal.
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Peritoneum
The peritoneal cavity is a space between the parietal and visceral peritoneum, which are the two membranes that separate the organs from the abdominal wall.
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Peritoneal relationsExplore the relationship between the abdominal organs and peritoneum.
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MesenteryOverview of the mesentery.
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Greater omentumIntroduction to the greater omentum.
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Omental bursaIntroduction to the omental bursa.
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RetroperitoneumIntroduction to the retroperitoneum.
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Stomach
The stomach is an organ found in the upper abdomen and is part of the gastrointestinal tract. The main function of this organ is to produce digestive enzymes.
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Stomach in situIntroduction to the stomach and its relations in the abdominal cavity.
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Structure of the stomachIntroduction to the structure of the stomach.
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Spleen
The spleen is found in the upper left part of the abdomen. Its main functions include filtering your blood, creating new blood cells and store platelets.
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Structure of the spleenStructure, neurovasculature and function of the spleen.
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Spleen microcirculationStructure and organization of spleen microcirculation.
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Liver
The liver is a large essential organ found in the upper right quadrant of the abdomen. It is a multifunctional unit that performs such duties as detoxification.
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Overview of the liverIntroduction to the liver and its nearby structures.
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Surfaces of the liverIdentify the surfaces and landmarks of the liver.
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GallbladderAnatomy and function of the gallbladder.
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Pancreas
The pancreas is an accessory organ of the GI tract whose function is to release substances that help regulate the blood sugar levels as well as digestion.
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Pancreas in situPancreas in situ seen from the anterior view.
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Pancreatic duct systemThe pancreatic ducts carry digestive enzymes to the duodenum.
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Small intestine
The small intestine is the part of the GI tract between the stomach and large intestine. This structure is divided into 3 parts: duodenum, jejunum and ileum.
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DuodenumStructure of the duodenum and its anatomical relations.
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Arteries and veins of the small intestineAn overview of the vasculature of the small intestine by segment.
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Innervation of the small intestineAn overview of the extrinsic and intrinsic innervation of the small intestine.
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Lymphatics of the small intestineAn overview of the lymphatic drainage of the small intestine.
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Large intestine
The large intestine is the last part of the GI tract. It functions to absorb water from fecal matter and helps the body get rid of the remaining waste material.
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Large intestineOverview of the anatomy and neurovasculature of the large intestine.
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Rectum and anal canalMain features and anatomical relations of the rectum and anal canal.
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Arteries of the large intestineOverview of the arteries that supply the large intestine.
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Neurovasculature of the rectum and anal canalOverview of the nerves and vessels of the rectum and anal canal.
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Kidneys and ureters
The kidneys are a pair of organs shaped like beans and located in the back of the abdomen. The main function of those organs is to filter your blood.
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KidneysIntroduction to the structure of the kidneys.
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Renal arteriesOverview of the renal arteries and their branches.
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UretersFeatures, relations and function of the ureters.
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Nerves, vessels and lymphatics of the abdomen
The abdomen is vascularised and innervated by an extensive network of blood vessels, lymphatics and nerves.
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Lumbar plexusThe lumbar plexus supplies the abdominal wall, pelvis and lower limb.
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Arteries of the stomach, liver and gallbladderOverview of the arteries that supply the stomach, liver and gallbladder.
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Arteries of the pancreas, duodenum and spleenOverview of the arteries that supply the pancreas, duodenum and spleen.
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Hepatic portal systemOverview of the hepatic portal vein and its tributaries.
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Lymphatics of the pancreas, duodenum and spleenAn overview of the lymphatic drainage of the pancreas, duodenum and spleen.
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Lymphatics of the stomach, liver and gallbladderLymph nodes and vessels of the stomach, liver and gallbladder.
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Lymphatics of the posterior abdominal and pelvic wallParietal abdominal and pelvic lymph nodes and their drainage pathways.
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