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secretin Physiol.|sɪˈkriːtɪn|
[a. G. secretin (Bayliss & Starling 1902, in Centralbl. f. Physiol. XV. 682); cf. secretion and -in1.]
A hormone that is released into the bloodstream from the gut, esp. in response to acidity, and stimulates pancreatic secretion.
1902Bayliss & Starling in Jrnl. Physiol. XXVIII. 331 We have already suggested the name ‘secretin’ for this body, and as it has been accepted and made use of by subsequent workers it is as well to adhere to it. 1927Haldane & Huxley Animal Biol. i. 18 Food..stimulates the intestine chemically, causing it to secrete a special substance from its lining; this passes into the blood, circulates through the whole body, but, though it exerts no effect on most organs, it stimulates the pancreas..to activity. This substance is called secretin. 1962[see prosecretin s.v. pro-2 1]. 1965Lee & Knowles Animal Hormones viii. 121 Hydrochloric acid is not the only substance which induces the secretion of secretin; both digesting fat and bile salts are effective. |