/proh lak"tin/, n. Biochem.
an anterior pituitary polypeptide hormone that stimulates lactation by the mammary glands at parturition in mammals, the activity of the crop in birds, and in some mammalian species the production of progesterone by the corpus luteum. Also called anterior pituitary hormone, lactogenic hormone, luteotropin.
[1930-35; PRO-1 + LACT- + -IN2]

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also called  luteotropic hormone (LTH) , or  luteotropin 

      a protein hormone produced by the pituitary gland of mammals that acts with other hormones to initiate secretion of milk by the mammary glands. It also acts to maintain the corpus luteum of the ovary, which is the source of the female sex hormone progesterone. Its function in males is not known. In humans prolactin is similar to human growth hormone.

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Universalium. 2010.

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Look at other dictionaries:

  • prolactin — prolactin. См. лютеотропин. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Prolactin — Prolactin, luteotropes Hormon, lactotropes Hormon, LTH, in der Adenohypophyse gebildetes, in seiner Struktur dem Somatotropin ähnelndes Proteinhormon, das bei Säugern die Progesteronbildung im Gelbkörper und während der Schwangerschaft die… …   Deutsch wörterbuch der biologie

  • prolactin — 1932, from PRO (Cf. pro ) + stem of LACTATION (Cf. lactation) + chemical suffix IN (Cf. in) (2) …   Etymology dictionary

  • prolactin — [prō lak′tin] n. [ PRO 1 + LACT(O) + IN1] a pituitary hormone stimulating milk secretion in mammals and secretion by the crop gland in certain birds …   English World dictionary

  • Prolactin — Protein Name=Prolactin Caption= Symbol=PRL AltSymbols= HGNCid=9445 Chromosome=6 Arm=p Band=22.2 LocusSupplementaryData= p21.3 ECnumber= OMIM=176760 EntrezGene=5617 RefSeq=NM 000948 UniProt=P01236Prolactin (PRL) or Luteotropic hormone (LTH) is a… …   Wikipedia

  • prolactin — Pituitary lactogenic hormone (23 kD), synthesized on ER bound ribosomes as preprolactin that has an N terminal signal peptide that is cleaved from the mature form. The conversion of preprolactin to prolactin has been much used as an assay for… …   Dictionary of molecular biology

  • prolactin — A protein hormone of the anterior lobe of the hypophysis that stimulates the secretion of milk and possibly, during pregnancy, breast growth. SYN: galactopoietic hormone, lactation hormone …   Medical dictionary

  • prolactin — lactogenic hormone; = luteotrophic hormone; = luteotrophin; n. a hormone, synthesized and stored in the anterior pituitary gland, that stimulates milk production after childbirth and also stimulates production of progesterone by the corpus luteum …   The new mediacal dictionary

  • prolactin — prolaktinas statusas T sritis chemija apibrėžtis Baltyminis hipofizės hormonas. atitikmenys: angl. lactotropin; prolactin rus. пролактин …   Chemijos terminų aiškinamasis žodynas

  • prolactin — A hormone that is made by the pituitary gland (a pea sized organ in the center of the brain). Prolactin causes a woman’s breasts to make milk during and after pregnancy, and has many other effects in the body …   English dictionary of cancer terms

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