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8 Cards in this Set
- Front
- Back
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Gastrin is stimulated and secreted by?
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G cells of stomach and duodenum when food is present.
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Gastrin signals the release of what?
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Hydrochloric acid and pepsinogen
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3 releasers of somatostatin
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1. Gastric cells of stomach and
2. pancreas 3. hypothalamus |
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Somatostatin inhibits the release of ?
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1. stomach acids
2. duodenum (secretin & cholecystokinin) 3. pancreas (glucagon) |
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Somatostatin's overall effect
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slows the rate of nutrient absorption
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Secretin's 3 main functions
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1. signal pancreas to release bicarbonate into sm. intest.
2. inhibit release of acid in stomach 3. slow peristalsis |
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Cholecystokinin secretion is stimulated by this.
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Presence of lipids
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4 principle functions of cholecystokinins.
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1. Stimulates contraction of gall bladder to release bile to emulsify fat
2. stimulates pancreas to release digestive enzymes 3. slows rate of gastric emptying 4. Stimulates POMC |
