- a substance usually of hypothalamic origin that triggers the release of a particular hormone from an endocrine gland.
Origin of releasing factor
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A substance of hypothalamic origin capable of accelerating the secretion of a given hormone by the anterior lobe of pituitary gland.releasing hormone
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.