physiol a secretion, esp a hormone, that is absorbed directly into the blood
Inhibit vs. ProhibitThough both words have similar definitions, inhibit and prohibit aren’t interchangeable. In general, someone is inhibited by internal feelings or prohibited by an external source.
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Medicine definitions for internal secretion
A secretion that is produced by an endocrine gland and discharged directly into the bloodstream; a hormone.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.