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releasing factor

noun, Biochemistry.
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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releasing factor in Medicine

releasing factor re·leas·ing factor (rĭ-le'sĭng)
Abbr. RF
A substance of hypothalamic origin capable of accelerating the secretion of a given hormone by the anterior lobe of pituitary gland. Also called releasing hormone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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