Gastrointestinal: Clinical anatomy of Jaundice (Part 2) Flashcards
what do the right and left hepatic ducts unite to form?
common hepatic duct
what does the common hepatic duct and the cystic duct unite to form?
bile duct
what does the bile duct form when joined with the main pancreatic duct?
ampulla or Vater
where do both (bile duct and pancreatic duct) drain into?
though the major duodenal papilla
what 3 main sphincters are found in the liver?
bile duct sphincter
pancreatic duct sphincter
sphincter of Oddi
what could cause obstructive jaundice?
gall stones
carcinoma at head of pancreas
what cells are found in the exocrine section of the pancreas?
ancinar cells (pancreatic digestive enzymes into main pancreatic duct)
what cells are found in the endocrine section of the pancreas?
islets of langhans (secrets insulin and glucagon into blood stream)
where is irritation/inflammation of the pancreas usually felt?
epigastric/umbilical
what peptide hormones does the duodenum secrete into the blood?
Gastrin and CCK
where is pain from duodenal ulcers usually felt in?
epigastric region
what controls the flow of chyme from stomach to duodenum?
pyloric sphincter
what are folds called in the jejunum?
plicae circularis (highly folded region)
what is the blood supply to the jejunum and ileum?
superior mesenteric artery via jejunal and ileal arteries
what is the drainage system from the jejunum and ileum?
jejunal and ileal veins
superior mesenteric vein
to hepatic portal vein
