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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.


(Biochemistry) 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 or luteotrophic hormone See also follicle-stimulating hormone, luteinizing hormone


(proʊˈlæk tɪn)

a pituitary hormone that in mammals stimulates milk production at parturition and in birds activates the crop for feeding the young. Also called luteotropin.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.prolactin - gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition
gonadotrophic hormone, gonadotrophin, gonadotropic hormone, gonadotropin - hormone secreted by the anterior pituitary gland and placenta; stimulates the gonads and controls reproductive activity
lactogen - any agent that enhances milk production


n prolactina
References in periodicals archive ?
Se excluyeron las pacientes con causas conocidas de HPRL secundaria, como el embarazo, la lactancia, el prolactinoma y en tratamiento con medicamentos que inducen la secrecion de PRL (estrogenos, antidepresivos triciclicos, metoclopramida, fenotiazinas, butirofenonas, reserpina, metildopa y bloqueadores H2).
However, the medical treatment of our patients with SLE did not differ significantly between the patients with hPRL (n=11) and those without (n=19).
"Under the guidance of playwright Lucy Thurber, the first stage of HPRL will continue in the tradition Irene set forth 30 years ago, with weekly or daily writing sessions and participants sharing work with each other," says Moreno.