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prolactin

[proh-lak-tin] /proʊˈlæk tɪn/
noun, Biochemistry
1.
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.
Also called anterior pituitary hormone, lactogenic hormone, luteotropin.
Origin
1930-1935
1930-35; pro-1 + lact- + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for anterior pituitary hormone

prolactin

/prəʊˈlæktɪn/
noun
1.
a gonadotrophic hormone secreted by the anterior lobe of the pituitary gland. In mammals it stimulates the secretion of progesterone by the corpus luteum and initiates and maintains lactation Also called luteotrophin, luteotrophic hormone See also follicle-stimulating hormone, luteinizing hormone
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
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Word Origin and History for anterior pituitary hormone

prolactin

n.

1932, from pro- + stem of lactation + chemical suffix -in (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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anterior pituitary hormone in Medicine

prolactin pro·lac·tin (prō-lāk'tĭn)
n.

Abbr. PRL A pituitary hormone that stimulates and maintains the secretion of milk. Also called 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.
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anterior pituitary hormone in Science
prolactin
  (prō-lāk'tĭn)   
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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