Prolactin kwabesilisa

Prolactin - hormone ehilelekile ukulawulwa inqubo lactation kwabesifazane ngesikhathi sokukhulelwa futhi ngenkathi ibele. Kukholakala ukuthi le hormone uhlukile umzimba female, kodwa futhi unalo emzimbeni wesilisa. In amadoda, kunomthelela ukubunjwa nokuthuthukiswa kwezinhlangano efanele zokukhiqiza sperm testosterone.

Kuyini prolactin?

Prolactin - hormone polypeptide ukuthi ethakwa yi zakhiwo ezilandelayo:

• lactotropic anterior pituitary amaseli;
• decidua umzanyana;
• ulwelwesi kwesibeletho (endometrium).

Umsebenzi osemqoka prolactin yiyona ukukhula nokuthuthuka yomdlavuza webele, kanye ezishukumisayo okukhulu lactation. Ososayensi ubheke agcizelele hormone prolactin, ngoba imithwalo eliphezulu, ukuhlukumezeka ngokomqondo, ukukhathala, noma isenzo yanoma yimuphi izici zangaphandle enqabayo kwandisa okuqukethwe kwayo emzimbeni womuntu.

Naphezu kweqiniso lokuthi kuze kube namuhla hormone prolactin libhekisela (idatha mayelana nokuhileleka yakhe kwezinye izinqubo umzimba okwamanje) eyaziwa kahle, kodwa sonke isikhathi ucwaningo uye zanqwabelana olunye ulwazi mayelana naye. Lezizifundo Sikhathazekile hhayi kuphela indima prolactin njengendlela Regulator humoral umsebenzi nekutala abesifazane, ezisithintayo njengengxenye polypeptide e izinqubo exchange ezingakaze zibe umzimba besilisa. izinqubo ezinjalo zihlanganisa, isibonelo, ukuthi prolactin kwabesilisa kuthinta isidoda vyrabatku evamile. Ukuze izinqubo yomsebenzi ubuchopho futhi idinga amadoda prolactin.

Vele abacabangi ukuthi emzimbeni umsebenzi owesilisa kwale hormone iyafana exchange yayo humoral emzimbeni yabesifazane. umbono okunjalo kungaba okungalungile. Physiologically, prolactin ezingabantu nabesifazane, ikhiqizwa pituitary anterior. Ngaphezu kwalokho, le nqubo ehilelekile isakhiwo ezahlukene ubuchopho bomuntu - hypothalamus. Cishe kuzo zonke izicubu kanye izitho zomzimba womuntu liqukethe prolactin molecule ezenza umuntu ezwe le hormone. Nokho, ulwazi olunembile okwengeziwe umsebenzi prolactin futhi yendima yayo ekuqhubeleni izinqubo ezenzeka lezi zindikimba, isayensi akusho okwamanje.

Prolactin in abesilisa nabesifazane: umehluko

Njengoba isimo ama-hormone physiology nezitho zangasese amadoda nabesifazane umehluko okukhulu, kulesi simo, yebo, indima prolactin zizohluka. Ikakhulukazi, kuyoba ngokucacile ziyaphuma umehluko iyiphi pathologies, izifo, njll Ngokwesibonelo, uphawu kwabakhulelwe abesifazane kulolu cwaningo yiyona khona amazinga aphakeme prolactin, emuva lé ngawo kwesonto lesishiyagalombili yokukhulelwa, ezingeni bayovuka ngokucijile.

Ngaphansi kwezimo ezivamile, i-hormone okuthiwa i-prolactin ezingabantu kwandisa izinga kwe-testosterone, futhi isimo ezifana prolactinemia okungamahlalakhona, okuyinto kubangelwa ushintsho uketshezi of luteinizing-hormone okuthiwa i-testosterone ezikhethekile Leydig amaseli incipha. Ukwakheka androgens adrenal (isb endaweni yokumboza we- cortex) kuyinto encike ngqo kwi ezingeni prolactin.

Prolactin anda: Izimbangela

Ukwandisa ezingeni prolactin ezingabantu kubonisa ezihlukahlukene izifo, futhi izimpawu ezithile zokwelapha. Izifo ezihlala zihlanganisa ezihlukahlukene isimila pituitary. Izimpawu zesifo kubantu besilisa nakubantu besifazane lihlukile. In amadoda, okwandisa izinga kwale hormone kuholela ubuthakathaka, lantambama kanye ukuthambisa of emasendeni, futhi abesifazane - kubangela ukuphazamiseka kokuya esikhathini, kuze kulungiswe inkinga yokungabi nenzalo. Lesi sithombe emitholampilo kungenzeka lapho isimila kuthinta kuphela nezindlala ocansini. Ngokwesibonelo, e kwabesifazane polycystic syndrome esibelethweni, futhi amadoda, ngokulandelana - BPH.