Term
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Definition
gastric H+ secretion
growth of gastric mucosa
increased gastric motility
increased by stomach distention, amino acids, peptides, vagus nerve
decreased by pH < 1.5 |
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Term
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Definition
pancreatic secretion
gallbladder contraction
decreased gastric emptying
increased by fatty acids, amino acids |
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Term
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Definition
pancreatic bicarbonate secretion
decreased gastric secretion
bile secretion
increased by acid, fatty acids in lumen of duodenum
needs pancreatic enzymes to function |
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Term
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Definition
decreased acid and pepsinogen secretion decreased pancreatic and small intestine fluid secretion
decreased gall bladder contraction
decreased insulin and glucagon release
increased by acid
decreased by vagal stimulation |
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Term
| gastric inhibitory peptide (GIP) |
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Definition
exocrine : decreased H+ secretion
endocrine : increased insulin release
increased by fatty acids, amino acids, oral glucose |
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Term
| vasoactive intestinal polypeptide (VIP) |
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Definition
intestinal water and electrolyte secretion relaxation of intestinal smooth muscle and sphincters
increased by distention and vagal stimulation decreased by adrenergic input |
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Term
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Definition
| smooth muscle relaxation, including LES |
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Term
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Definition
| produces MMCs (migrating motor complexes) increased in fasting state |
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Term
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Definition
| B12 binding protein for uptake in terminal ileum |
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Term
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Definition
decreased stomach pH
increased by histamine, ACh, gastrin
decreased by somatostatin, prostaglandin, secretin |
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Term
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Definition
protein digestion
increased by vagal stimulation, local acid |
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Term
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Definition
neutralizes acid, prevents autodigestion
increased by secretin |
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