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54 Cards in this Set
- Front
- Back
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What organs are supplied by the celiac trunk? Which "gut" is this?
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Organs from the stomach all the way to the major duodenal papilla
Foregut |
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What organs are supplied by the superior mesenteric? Which "gut" is this?
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Duodenum at the major duodenal papilla to proximal 2/3 of the transverse colon
Midgut |
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What organs are supplied by the inferior mesenteric?
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Distal 1/3 of the transverse colon to the recetum
Hindgut |
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What does the left gastric artery supply? (2)
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Stomach
Esophagus |
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What does the common hepatic artery supply? (4)
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Liver
Stomach Duodenum Pancreas |
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Which artery can be eroded by posterior perforation of a duodenal ulcer?
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Gastroduodenal
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Which artery can be eroded by posterior perforation of a gastric ulcer?
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Splenic
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What does the splenic artery supply?
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Stomach
Pancreas Spleen |
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What does the right gastric artery supply?
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Lesser curvature of stomach
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What two things does the right hepatic artery supply?
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Right lobe of liver
Gall bladder (via cystic artery in triangle of calot) |
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Triangle of Calot
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Common Hepatic Duct
Cystic Duct Liver |
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What passes through the triangle of calot?
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Cystic artery
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What are the three branches that come off the gastroduodenal artery?
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Supraduodenal
Sup. Pancreaticoduodenal artery(ant/post) Right gastroepiploic artery |
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What does the supraduodenal artery supply?
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duodenum
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What does superior (ant/pos) pancreaticoduodenal artery supply?
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Head of pancreas
Uncinate process Duodenum Anastomose with inferior counterparts |
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What does the right gastroepiploic artery supply?
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greater curvature of stomach
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What does the splenic artery branch off to?
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Pancreatic
Short Gastric Left gastroepiploic |
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What does the pancreatic artery supply?
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body/tail of pancreas
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What does the short gastric artery supply?
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fundus of stomach
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What does the left gastroepiploic artery supply?
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greater curvature of the stomach
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What does the superior mesenteric artery branch out to?
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Inferior pancreaticoduodenal artery
Jejunal/ileal arteries ileocolic artery Right colic artery Middle colic artery |
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What does the inferior pancreaticoduodenal artery supply?
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head and uncinate process of pancreas
duodenum |
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what do ileocolic arteries supply?
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appendix, cecum, ascending colon
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What does right colic artery supply?
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ascending colon
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What does the middle colic artery supply?
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transverse colon
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What are the arteries of the duodenum?
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A. Gastroduodenal a.
1. Supraduodenal a. 2. Ant. sup. PD a. 3. Post sup. PD a. B. Sup. mesenteric a. 1. Ant. inf. PD a. 2. Post. inf. PD a. |
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What does the inferior mesenteric artery give off?
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A. Left colic a.-descending colon
B. Sigmoid aa.-sigmoid colon C. Superior rectal a.-rectum; direct continuation of inf. mesenteric a. |
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What is special about the marginal artery of drummund
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These are important b/c if you destroy the superior mesenteric, blood from the superior mesenteric can go to your descening colon through your marginal artery.
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What does the marginal artery of drummond anastomose with?
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Terminal branches of superior and inferior mesenteric arteries
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Portal vein is formed by which two veins?
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Splenic
Superior mesenteric |
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Because of variation, the Inferior mesenteric vein may drain into which two veins?
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Splenic
Superior mesenteric |
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Whats a portal vein?
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A set of capillaries joined by a vein
vein- -> capillaries --> vein --> capillary |
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During hypertension, the blood in the left gastric vein will go where?
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Azygos vein
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During hypertension, the blood in the superior rectal veins will go where?
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Middle rectal vein and inferior rectal vein
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During hypertension, the blood in the paraumbilical vein will go where?
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Superficial vein of anterior abdominal wall
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During hypertension, the blood in the retroperitoneal vein will go where?
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Lumbar vein
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During hypertension, blood in the veins in the bare area of the liver will go where?
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veins of diaphragm
internal thoracic artery |
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Pre-hepatic portal hypertension will cause what?
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Blockage of the portal vein and can cause a tumor of the head of the pancreas which can lead to compressing the portal vein, portal vein thrombosis, and potal vein stenosis
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Hepatic portal hypertension will cause what?
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Cirrhosis of liver
Schitosomiasis thrombosis of hepatic veins |
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Post hepatic portal hypertension will cause what?
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Increase pressure in the IVC leads to
CHF affecting right heart Tricuspid regurgitation IVC obstruction Constrictive pericarditis |
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What are diseases that are caused by post hepatic congestion?
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caput medusae
splenomegaly esophageal varices (hematemesis) Hemorrhoids (hematochezia) |
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What is hematemesis
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fressh bleeding from esophageal varcices
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What is caput medusa?
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enlarged paraumbilical vein which drain directly into the portal v. dump portal blood into the superficial veins of the atnerior abdominal wall, specifically the superficial epigastric veins.
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What is hematochezia?
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fresh bleeding from hemorrhoids (enlarged inferior and middle rectal v which anastomose with the superior rectal v., a direct continuation of the inferior mesenteric vein)
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What are the sympathetic nerves of GIT
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1. Greater thoracic
splanchnic nn. - foregut 2. Lesser thoracic splanchnic nn.- midgut 3. Least thoracic splanchnic nn.- midgut 4. Lumbar splanchnic nn.- hindgut |
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What are the parasympathetic nerves of GIT
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1. Vagus nn. - foregut and midgut
2. Pelvic splanchnic nn.- hindgut |
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Which thoracics supply greater thoracic nerve?
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T5-T9
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Which thoracics supply the lesser thoracic nerve?
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T10-T11
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Which thoracics supply the least thoracic nerve?
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T12
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What are the lumbar nerves of the preganglionic sympathetic fibers?
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L1-L2
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How do preganglionic sympathetic fibers innervate?
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Through thoracic splanchnic nerve, piercing the right crus of the diaphragm to enter the abdomen
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Where are post ganglionic sympathetic fibers mostly found?
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Mesenteries and omenta
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How do preganglionic parasympathetic fibers enter the abdomen?
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Via esophageal hiatus at the level of T10.
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How do parasympathetic ganglia reach the wall of the viscera?
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Mesenteries. They form
Myneteric (auerbach's) plexus Submucous (Meissner's) plexus |
