- an anterior pituitary polypeptide hormone that stimulates lactation by the mammary glands at parturition in mammals, the activity of the crop in birds, and in some mammalian species the production of progesterone by the corpus luteum.
Origin of prolactin
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Examples from the Web for prolactin
When fathers hold and play with their children, oxytocin and prolactin kick in, priming them for bonding.How Good Dads Can Change the World
Gary Barker, PhD, Michael Kaufman
January 6, 2015
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for prolactin
Online Etymology Dictionary, © 2010 Douglas Harper
- A pituitary hormone that stimulates and maintains the secretion of milk.lactogenic hormone lactotropin luteotropic hormone luteotropin
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- A protein hormone secreted by the anterior portion of the pituitary gland that stimulates and maintains the secretion of milk in mammals.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.