Definition of prolactin in English:


Line breaks: pro|lac¦tin
Pronunciation: /prəʊˈlaktɪn


[mass noun] Biochemistry
  • A hormone released from the anterior pituitary gland that stimulates milk production after childbirth.
    More example sentences
    • Hormone assays for serum estrogen, progesterone, prolactin, luteinizing hormone, follicle stimulating hormone and testosterone were performed.
    • The body starts to release a hormone called prolactin, which stimulates the body to produce breast milk.
    • There, hormones called prolactin and oxytocin are released into the bloodstream.


1930s: from pro-2 'before' + lactation.

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Pronunciation: skəʊʃ
a small amount; a little