Medical term:

prolactin


prolactin

 [pro-lak´tin]
a hormone secreted by the anterior pituitary gland that promotes the growth of breast tissue and stimulates and sustains milk production in postpartum mammals, and shows luteotropic activity in certain mammals. Called also lactogenic hormone and mammotropin.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pro·lac·tin (PRL),

(prō-lak'tin), [MIM*176760]
A protein hormone of the anterior lobe of the hypophysis that stimulates the secretion of milk and possibly, during pregnancy, breast growth.
Synonym(s): galactopoietic hormone, lactation hormone, lactogenic hormone, lactotropin, mammotropic factor, mammotropic hormone
[pro- + L. lac, lact-, milk, + -in]
Farlex Partner Medical Dictionary © Farlex 2012

prolactin

(prō-lăk′tĭn)
n.
A pituitary hormone that stimulates and maintains the secretion of milk in mammals and also plays a role in metabolism and in modulation of the immune response.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

prolactin

A gonadotropic hormone encoded by PRL on chromosome 6p22.2-p21.3 and secreted by the anterior pituitary, which in females stimulates mammary gland growth and lactation after childbirth.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

pro·lac·tin

(PRL) (prō-lak'tin)
A protein hormone of the anterior lobe of the hypophysis that stimulates the secretion of milk and possibly, during pregnancy, breast growth.
Compare: bioregulator
Synonym(s): lactogenic hormone.
[pro- + L. lac,lact-, milk, + -in]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

prolactin

One of the PITUITARY GLAND hormones. Prolactin stimulates the development and growth of the breasts (mammary glands) and helps to start and maintain milk production at the end of pregnancy.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

prolactin

see LUTEOTROPHIC HORMONE.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Prolactin

A hormone that helps the breast prepare for milk production during pregnancy.
Mentioned in: Pituitary Dwarfism
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.

pro·lac·tin

(prō-lak'tin) [MIM*176760]
Protein hormone of anterior lobe of hypophysis that stimulates secretion of milk and possibly, during pregnancy, breast growth.
[pro- + L. lac,lact-, milk, + -in]
Medical Dictionary for the Dental Professions © Farlex 2012

prolactinoma

 [pro-lak″tĭ-no´mah]
a pituitary adenoma made up of lactotrophs that secretes excessive amounts of prolactin; this may delay puberty in either sex, cause galactorrhea-amenorrhea syndrome in women, or decrease libido and fertility in men. Called also prolactin cell or prolactin-secreting adenoma and lactotrope or lactotroph adenoma.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

pro·lac·tin-·pro·duc·ing ad·e·no·ma

a pituitary adenoma composed of prolactin-producing cells; it gives rise to symptoms of nonpuerperal amenorrhea and galactorrhea (Forbes-Albright syndrome) in women and to impotence in men.
Synonym(s): prolactinoma
Farlex Partner Medical Dictionary © Farlex 2012

prolactinoma

Endocrinology A pituitary tumor more common in Pts < age 40 characterized by an excess secretion of prolactin–tumor size correlates with the prolactin level; smaller tumors, microprolactinomas, are more common in ♀; macroprolactinomas are more common in ♂ and associated with sexual dysfunction; women may become symptomatic while on OCs; menses may stop when OCs are discontinued; prolactinomas may grow during pregnancy and be diagnosed postdelivery. See Prolactin.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

pro·lac·tin-pro·duc·ing ad·e·no·ma

(prō-lak'tin-prŏ-dūs'ing ad'ĕ-nō'mă)
A pituitary adenoma composed of prolactin-producing cells; it gives rise to symptoms of nonpuerperal amenorrhea and galactorrhea (Forbes-Albright syndrome) in women and to impotence in men.
Synonym(s): prolactinoma.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

prolactinoma

A benign tumour of the PITUITARY GLAND that secretes large quantities of the hormone PROLACTIN. The tumour can cause blindness by pressing on the OPTIC CHIASMA and may be suspected because of unexpected milk production (lactation). Treatment is by surgery or by drugs.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

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