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Anatomy Unit 3 > Celiac Trunk and Targets > Flashcards

Celiac Trunk and Targets Flashcards

1
Q

3 main arterial trunks off the aorta that supply G.I. tract

A

celiac, inferior and superior mesenteric

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2
Q

gut region supplied by celiac, inferior and superior mesenteric

A

foregut, midgut, hindgut respectively

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3
Q

tubular gut divisions

A

foregut-proximal duodenum
midgut-distal duodenum, proximal transverse colon
hindgut–distal transverse colon, descending and sigmoid colon

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4
Q

arterial supply to the esophagus

A

celiac trunk–>left gastric artery–>esophageal arteries (anastomose with esophageal arteries from aorta)
left inferior phrenic

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5
Q

venous drainage of the esophagus

A

esophageal veins–>azygous system

left and right gastric veins–>hepatic portal vein

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6
Q

arterial supply to stomach

A

celiac trunk–>left gastric artery (superior) anastomoses with right gastric artery from common hepatic artery
celiac trunk–>splenic artery–>short gastric arteries and L gastro-omental artery (anastomoses with right gastro-omental)
celiac trunk–>proper hepatic–>right gastro-omental and right gastric artery

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7
Q

anastomoses of stomach arterial supply

A

right and left gastric anastomose in less curvature. left gastric from celiac trunk, right gastric from common hepatic.
left and right gastro-omental arteries anastomose in greater curvature. right gastro-mental from common hepatic, left gasro-omental from splenic.

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8
Q

venous drainage of stomach

A

left gastro-omental–>splenic –>hepatic portal
right gastro-omental–>inferior mesenteric–>hepatic portal
right and left gastric–>hepatic portal

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9
Q

venous drainage and arterial supply to spleen

A

splenic artery and vein.
artery from celiac trunk
vein into hepatic portal

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10
Q

arterial supply to liver

A

celiac trunk–>common hepatic artery–>proper hepatic artery–>right and left hepatic arteries

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11
Q

venous drainage of liver

A

right, middle, and left hepatic veins. (hepatic veins FROM liver) (hepatic portal TO liver)

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12
Q

spleen in relationship to stomach and liver

A

posterolateral to the body of the stomach. recycles RBGs

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13
Q

portal triad and location

A

1)common bile duct
2)proper hepatic artery
3)hepatic portal vein
located in the thickened left lateral edge of the lesser omentum in the hepatoduodenal ligament

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14
Q

structures within the hepatoduodenal ligament

A

posterior to everything–hepatic portal vein
left lateral–common bile duct
medial–proper hepatic artery

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15
Q

biliary tree

A

right and left hepatic ducts–>common hepatic duct + cystic duct–> common bile duct + pancreatic duct–>hepatopancreatic ampulla through the duodenum via the major duodenal papilla

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16
Q

function of the gallbladder

A

stores, concentrates biles. and muscular so it releases it’s bile into cystic duct in response to chyme. bile that made in the liver while the major duodenal papilla is closed due to no creation of chyme/no digestion.
collects bile via cystic duct.

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17
Q

bile from liver into gallbladder

A

through right and left hepatic ducts to the common bile duct and the hepatopancreatic ampulla. when closed, bile is sent back up the common bile duct into the cystic duct and into the gallbladder

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18
Q

gallstones

A

cholelithiasis. crystallization of cholesterol, bile salts. stuck in the proximal opening of the cystic duct.

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19
Q

triangle of calot

A 
lateral--cystic duct
inferior--common hepatic duct
superior-inferior edge of liver. 
contains the cystic artery
contains Lund's node. (enlarged due to cholecystitis)
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20
Q

hepatic portal vein formation

A

splenic vein + inferior mesenteric and superior mesenteric vein and right and left gastric arteries–>hepatic portal vein

21
Q

function of hepatic portal system

A

return all digestive blood into the liver

22
Q

portocaval anastomoses

A

esophageal veins of left gastric with Esophageal branches of Azygos vein.
superior rectal veins from inferior mesenteric with inferior veins
paraumbilical with superior epigastric
portal blood backs up into systemic system because they are two way valves.

23
Q

portal hypertension

A

blockage of blood flow into liver increases liver upstream, forces blood into systemic anastomoses. usually obstruction of portal vein

24
Q

ribs that spleen has relationship to

A

9-12th

25
Q

enlarged spleen palpated

A

below the costal arches, below 12th rib, laterally.

26
Q

gastroesophageal junction

A

no anatomical sphincter. tone of diaphragm stops reflux

27
Q

division of right and left lobes of liver when viewed from anterior aspet

A

falciform ligament

28
Q

peritoneum of liver

A

parietal/visceral reflection at falciform ligament. no peritoneum at the bare area, above the right lobe. comes in contact with diaphragm above the right pleural cavity.

29
Q

lymphatic drainage of foregut

A

flow towards splenic lymph nodes (left lateral), pyloric nodes (right lateral) and collect in celiac nodes at the base of the celiac trunk. from celiac trunk, it goes superior into cistern chyli and then thoracic duct. all lymphatics inferior to diaphragm

30
Q

parasympathetic supply of foregut

A

vagal trunks (from right and left vagus nerve).

31
Q

parasympathetic supply of midgut

A

vagal trunks (from right and left vagus nerves)

32
Q

parasympathetic supply of hindgut

A

pelvic splanchnic nerves (S2-S4)

33
Q

sympathetic innervation of abdominal viscera

A

pre-ganglionic from IMLs through thoracic and lumbar splanchnic nerves to the prevertebral ganglion

34
Q

three prevertebral ganglion and their innervations of abdominal viscera

A

celiac–foregut
superior mesenteric–midgut
inferior mesenteric–hindgut

35
Q

fibers after prevertebral ganglion

A

post-ganglionic sympathetic and they blend with parasympathetic

36
Q

visceral pain felt where?

A

celiac–mid back, high gut (all foregut organs)
superior mesenteric–flanks (all midgut organs)
inferior mesenteric– lower back/groin (all hindgut organs)

37
Q

autonomic plexus

A

preganglionic parasympathetic and postganglionic sympathetics running alongside vessels in the mesenteries

38
Q

splanchnic nerve for foregut

A

thoracic splanchnic

39
Q

transition of esophagus into stomach

A

z line

40
Q

anatomical aspects of stomach

A

intraperitoneal; anchored by greater and lesser omenta and esophagus

41
Q

peptic ulcers

A

dueodenum and stomach … a lot of arterial supply so a lot of bleeding, and low pH in abdominal cavity
erosion of mucosa by acid, bacterial.
can cause damage to nearby structures (pancreas and splenic arteries)

42
Q

structures damaged by peptic ulcers

A

pancreas and splenic arteries

43
Q

division of quadrate lobe of liver

A

falciform to the left, gall bladder to the right

44
Q

division of caudate love of liver

A

IVC on left and IVC on right

45
Q

how does portal triad enter liver

A

porta hepatis

46
Q

embryological precursor of ligamentum venosum and ligamentum teres

A

ductus venosus and umbilical vein

47
Q

complications of cirrhosis

A

replacement of liver by fibers tissue results in jaundice, portal hypertension, and ascites

48
Q

process of esophageal varices

A

portal veing blocked, build up in gastric veins which go to esophageal veins

49
Q

how does bile exit liver

A

bile is produced by hepatocytes and exits the portal hepatic via bile ducts

Anatomy Unit 3 (8 decks)

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