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12 Cards in this Set
- Front
- Back
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What do the gastric parietal cells produce?
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HCl, Intrinsic Factor
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What do the chief cells produce?
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Pepsinogen
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What do the G cells produce?
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Gastrin, they are found in the antrum
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What do mucous neck cells produce?
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Bicarbonate
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What is pepsin?
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Proteolytic enzyme that hydrolyzes peptide bonds.
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What is intrinsic factor?
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Protein secreted by the parietal cells that combines with vitamin B12 and enables absorption in the terminal ileum.
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What are the three receptors that stimulate HCl release?
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HAG
1. Histamine 2. Acetylcholine 3. Gastrin |
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What is the enterohepatic circulation?
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Circulation of bile acids from the liver to the gut and back to the liver via the portal vein.
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Where are most of the bile acids absorbed?
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Terminal Ileum
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How many times is the entire bile acid pool circulated during a typical meal?
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Twice
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What are the stimulators of gallbladder emptying?
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CCK, vagal input
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What are the inhibitors of gallbladder emptying?
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Somatostating, sympathetics, VIP (vasoactive intestinal peptide)
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