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10 Cards in this Set
- Front
- Back
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Motilin |
Secreted in upr GI tract to Inc smooth muscle contraction in oesophageal sphincter,stomach, duodenum |
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Peptide yy |
Secreted in endocrine cells of ileum & colon to inhibit d H+ secretion |
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Gastrin |
Formed in antrum of stomach .secreted in response to gastric distension, vagal stimulation, aa entering d stomach .cause H+secretion |
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Glucagon |
Secreted in islets of pancreas promote glycogenolysis, gluconeogenesis |
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Cholecystokinin |
Frm cells in duodenum & jejunum,neurons of ileum & colon .secreted in response to aa& fatty acids in duodenum. Causes contraction of GB ,pancreatic secretion of enz& Hco3- |
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Secretin |
S cells of small intestine in response to H+& fatty acids entering duodenum. Causes pancreatic secretion of Hco3-,inhibit gastric H+secretion |
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Somatostatin |
D cells of stomach &duodenum,Delta cells of pancreas. Dec gastric H+,pancreatic secretion, lower bile flow& promote intestinal smc contraction |
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Vip |
Secreted by smooth muscle,nrvs of intestine .relaxes intestinal smooth muscle ,pancreatic hco3- secretion, inhibit gastric H+,ens neuro transmitter, relax Les |
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Parasymp n git |
Inc all secretions,relax sphincter, Inc peristalsis |
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Smyp on git |
Inc saliva,Dec blood flow,motility n constrict sphincter |
