internal secretion


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internal secretion

n.
A secretion that is produced by an endocrine gland and discharged directly into the bloodstream; a hormone.

internal secretion

Etymology: L, internus, inward, secernere, to separate
a type of secretion in which substances pass directly from a gland into the bloodstream.

internal secretion

An outdated term for the secretion of an endocrine gland.
See also: secretion

internal secretion

Any secretion absorbed directly into the blood rather than passed out on to an internal surface or to the exterior.
References in periodicals archive ?
His weak background knowledge and inexperience in research kept him from a careful review of the literature for others who had searched for the internal secretion.
After several weeks, the pancreas, unable to secrete fluid into the duodenum, would gradually atrophy and would be removed and processed to extract the internal secretion.
Their work with duct-ligated dogs had been unnecessary, but they had gained knowledge without which they might never have developed the skill and insight to get the internal secretion from an easier source.
There could never be a practical clinical application of the internal secretion of the pancreas unless they could come up with a better way of obtaining pancreatic extract.

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