Blood Supply of GI System Flashcards
Generally what supplies the foregut?
coeliac trunk of the abdominal aorta
What supplies the distal esophagus?
left gastric artery
What supplies the stomach?
l/r gastric arteries, l/r gastroepiploic, splenic, posterior gastric, short gastric, and gastroduodenal arteries
What supplies the duodenum proximal to the bile duct?
gastroduodenal and pancreaticoduodenal arteries
What supplies hepatocytes?
hepatic portal vein
What supplies the hepatic bile ducts?
proper hepatic a.
What supplies the gall bladder and cystic duct?
Cystic a.
What supplies the pancreas?
gastrododuodenal, pancreaticoduodenal, and splenic arteries
What supplies the spleen?
Splenic a.
Generally what supplies the midgut?
superior mesenteric a. from the abdominal aorta
What supplies the duodenum?
pancreaticoduodenal a.
What supplies the jejunum?
intestinal a.
What supplies the ileum?
intestinal and ileocolic arteries
What supplies the cecum?
ileocolic a.
What supplies the appendix?
appendicular a.
What supplies the ascending colon?
ileocolic and right colic arteries
What supplies the proximal 2/3s of the transverse colon?
middle colic a.
What supplies the distal 1/3 of the transverse colon?
middle colic from IMA of abdominal aorta
What supplies the descending colon?
left colic from IMA of abdominal aorta
What supplies the sigmoid colon
sigmoidal arteries from IMA of abdominal aorta
What supplies the proximal rectum?
superior rectal from IMA of abdominal aorta
What supplies the middle rectum
middle rectal from internal iliac artery
What suuplies the distal rectum and anal canal?
inferior rectal artery from the internal pudenal
