Dictionary

prolactin

noun pro·lac·tin \prō-ˈlak-tən\

Definition of PROLACTIN

:  a protein hormone of the anterior lobe of the pituitary that induces lactation
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Origin of PROLACTIN

2pro- + lact- + 1-in
First Known Use: 1932
Medical Dictionary

prolactin

noun pro·lac·tin \prō-ˈlak-tən\

Medical Definition of PROLACTIN

:  a protein hormone of the adenohypophysis of the pituitary gland that induces and maintains lactation in the postpartum mammalian female—abbreviation PRL; called also luteotropic hormone, luteotropin, mammotropin

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