Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to prolactin: oxytocin, progesterone, TSH


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 ?
A normal prolactin level is less than 25 ng/mL in women and less than 20 ng/mL in men.
Early changes of serum prolactin level could lead to subtle changes in ovulation which might have profound effects on infertility, but abnormal levels of serum prolactin relate largely to changes in ovulation.
As the name indicates, prolactin is involved in the maintenance of lactation by the mammary glands.
The molecules in the bone marrow are proteins lipocalin-2 and prolactin that are critical in regulating the fate of mesenchymal stem cells.
Assessment of serum prolactin levels in patients with systemic lupus erythematosus.
A few women showing high prolactin levels have been detected with hypothyroidism, which is characterized by high levels of serum thyroid-stimulating hormone (TSH).
Hyperprolactinemia, is a clinical hypothalamic- hypoplysis disorder, defined as an abnormally high level of prolactin in blood ([greater than or equal to] 25ng/ml) for women and ([greater than or equal to] 20 ng/ml formen) and is a no table effect of anti psychotic drugs [4] due to dopamine blocking action[5].
Luteotropic hormone which is called as lactotropic hormone stimulates milk production that is the basic function of prolactin in females (Guyton, 2001).
It is essential that these symptoms are properly investigated by measuring prolactin levels in both men and women.
Prolactin (PRL) is a polypeptide hormone that is synthesized in the pituitary gland, consists of 199 amino acids with a molecular mass of 23KD, and has more functions than all other pituitary hormones combined (Freeman et al.
Contract awarded for code 12842 hormone prolactin, reagent for the determination test (first quarterly programming 2016) sa-06 pending number 126-2014
We aimed to evaluate the effect of ADMA, prolactin, testosterone, and hemoglobin levels on erectile function of patients with CKD and control subjects.