prolactin

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Pronunciation

/pɹoʊˈlæktɪn/

Definition of prolactin

1 sense · 1 part of speech · etymology included

noun

(uncountable, usually)A peptide gonadotrophic hormone secreted by the pituitary gland; it stimulates growth of the mammary glands and lactation in females.

“Men get a dose of the hormone prolactin after orgasm and this acts as a sedative.”

Definitions from Wiktionary, CC BY-SA.

From pro- (from Ancient Greek πρό (pró, “before”)) + lact- (variation of lacto-, from Latin lac (“milk”)) + -in (modification of -ine).

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