Gastrointestinal: Clinical anatomy of Jaundice (Part 1) Flashcards
what is bilirubin?
breakdown of RBCs
where does majority if bilirubin get broken down?
spleen
what is the function of the gall bladder?
storage and concentration of bile
what is bile used for?
normal absorption of fats in the small intestine
what is the portal triad?
hepatic artery
hepatic portal vein
common bile duct
where is the abdominal aorta situated?
retro-peritonial
where does the coeliac trunk arise?
T12 vertebral level
what does the coeliac trunk break into?
splenic artery
hepatic artery
left gastric artery
what do the silent artery, hepatic artery and left gastric artery further break into?
gastroduodenal
superior pancreatico-duodenal
where is the spleen situated?
intra-peritoneal organ and left hypochondrium
what is the spleen protected by?
ribs 9-11
what is the blood supply of the lesser curvature of the stomach?
right and left gastric arteries
what is the blood supply of the greater curvature of the stomach?
right and left gastro-mental arteries
what is the blood supply to the liver?
hepatic artery
hepatic portal vein
what is the main function of the liver?
major metabolic organ
converts bilirubin into bile
what is the liver protected y?
ribs 7-11
what are the 4 segments of the liver called?
right lobe
left lobe
caudate lobe
quadrate lobe (this sticks out and is inferior into organ as a whole)
where does the liver (venous) drain into?
drainage is via 3 major hepatic veins into the vena cava
what are the 2 clinically important areas of the peritoneal cavity related to the liver?
Hepatorenal recess
Sub-phrenic recess
Both of these are found in the greater sac and peritonitis can result in a collection of pus here leading abscess formation
what drains blood from foregut, midgut and hind-gut to the liv for FIRST PASS METABOLISM?
hepatic portal vein
what drains the blood from the foregut to the hepatic portal vein?
splenic vein
what drains the blood from the hindgut to the scenic vein?
inferior mesenteric vein
what drains blood from the midgut to the hepatic portal vein?
superior mesenteric vein
what drains the cleaned blood from the hepatic veins into the right atrium?
inferior vena cava
where does the bile flow in and out of the gall bladder?
cystic duct
what is the blood supply to the gall bladder?
cystic artery (branch of the right hepatic artery)
where do the visceral afferents enter the spinal cord (gall bladder)?
T6 and T9 (presents as epigastric pain)