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31 Cards in this Set
- Front
- Back
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what is the falciform lig?
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splits the liver in half
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what is the falciform lig dervied from?
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fetal umbilical vein
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what is the hepatoduodenal lig?
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connect the liver to the duodenum
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what significanct structures does the hepatoduodenal lig contian?
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portal triad
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what makes up the portal triad?
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hepatic artery, portal vein, common bile duct (HPC)
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what are the layers of the gut wall? (inside out)
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mucosa, submucousa, muscularuis, advantitia
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In what layer do you find the submucosal plexus?
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submucousa
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in what layer do you find the myenteric plexus?
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muscularis layer.
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what is the muscle anatomy of the esophogus from proximal to distal?
Why |
upper 1/3- skeletal
middle 1/3- smooth and skeletal lower 1/3- smooth this is transitioning from voluntary control to visceral control. |
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In what part of the esophogus would you fing squamous CC
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middle 1/3
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what section of the esophogus would you find adenocarcinoma?
Why? |
in the lower 1/3
this is due to barrets esophogus from chronic GERD. |
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what makes up the foregut
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the stomach to 1/2 the diuodenum
liver, gallbladder, pancrease, spleen |
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what artery supplies the foregut
(main artery) |
Ciliac artery
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what nerve supplies the foregut?
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vagus
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what makes up the midgut?
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the distal half of the duodenum to just before the splenic flexture
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what artery supplies the midgut?
(main artery from Aorta) |
the SMA
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what nerve innervates the midgut?
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vagus
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what makes up the hindgut?
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splenic flexture and beyond
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what artery supplies the hindgut?
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IMA
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what nerves supply the hindgut?
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PNS from the pelvis
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what are the branches of the celiac artery?
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common hepatic artery
splenic artery left gastric artery |
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where does the right gastric artery branch from?
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the common hepatic artery?
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what 2 arteries supply the lesser curvature of the stomach?
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the right and left gastric artery
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what artery does the spleen use as an ananstomosis is the splenic artery is blocked?
where does this anastomosis gets its blood from? |
the short gastric arteris
anastomosis with left gastropeploic artery, |
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what arteries allow for collateral blood flow is the abdominal aorta is blocked? (3)
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Internal thoracic artery
superior pancreaticoduodenal artery (celiac artery) middle colic artery (SMA) superior rectal artery (IMA) |
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where do you get internal hemroids?
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above the pectineal line
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where do you get external hemrrohids?
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below the pectineal line
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why are internal hemmroids non-painful and extrnal hemrroids are?
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internal hemroids are above the pectineal line which is innnervated by visceral nerves and what is below the pectineal line is innervated by the somatic nerves
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which type of hemroids is most commonly associated with portal HTN?
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internal hemroids
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when portal HTN occurs, what are the 3 arteries that is uses in order to allow for collateral blood?
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the esophogeal arteries (esophogeal varacirs)
paraumbilical arteries (caput madusae) superior rectal artery (internal hemroids) |
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what artery supplies tissue above the pectinate line?
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the superior rectal artery
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