Prolactin



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.
Contemporary Examples

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 5, 2015

noun
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
n.

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

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.
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.

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  • Anterior pituitary gonadotropin

    anterior pituitary gonadotropin anterior pituitary gonadotropin n. Any of several polypeptide or protein hormones secreted by the anterior lobe of the pituitary gland. Also called pituitary gonadotropic hormone.

  • Anterior pituitary luteotropin

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  • Anterior pyramid

    anterior pyramid anterior pyramid n. See pyramid of medulla oblongata. Historical Examples Next to, and parallel with the anterior fissure is the anterior pyramid (see fig. 2). Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 Various

  • Anterior pituitarylike hormone

    anterior pituitarylike hormone anterior pituitarylike hormone n. See chorionic gonadotropin.



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