The prolactin

Homoni ya prolactin imapangidwira m'kamwa kofiira. Kuthamanga kwambiri kwa mahomoni a lactation kumachitika nthawi ya tulo, kuyandikira kwapafupi. Dzina lake lina loti "prothectin" ya "stress hormone" ndi chifukwa cha kuwonjezeka kwa zikhalidwe pakusokonezeka maganizo ndi thupi. Izi zikutanthauza kuti nthawi zambiri hyperprolactinemia imapezeka nthawi zonse zovuta kwa thupi.

Amayi ambiri, ma prothectin amasiyana m'masiku osiyanasiyana omwe amayamba msambo ndipo amakhala ndi 4.5 ng / ml mpaka 49 ng / ml. Ndipo mtengo wapatali kwambiri wa mlingowu umawonekera pa gawo lachidziwitso cha ulendo. Pakati pa mimba, chizoloŵezi chidzakhala chokwera kwambiri, ndipo m'zaka zitatu zitha kufika 300 ng / ml. Kwa amuna, maseŵera a prolactin amakhala pa 2.5 mpaka 17 ng / ml. Monga momwe mukuonera, chizindikirocho sichitha kusintha mosiyana ndi thupi lachikazi.

Ntchito za Prolactin

Talingalirani zomwe prolactin ya mahomoni imayambitsa ndi ntchito zomwe zimatengera kwa oimira azimayi osiyanasiyana. Kuphatikiza pa kuchita pa njira yobereka, prolactin imakhudza chitetezo chokwanira. Makamaka, pa intrauterine kukula kwa mwanayo, kuchulukitsa prolactin kumatetezera ku zotsatira za maselo a mthupi a mayi. Zotsatira za hormoni mwa amayi zimaperekedwa pansipa:

1. Zomwe zimakhudza mazira a mammary. Mothandizidwa ndi mahomoni, kukula kwa mapira a mammary kumalimbikitsa, ndi kukonzekera kwa lactation . Komanso zimathandizira kupanga kapangidwe ka mkaka pamene akuyamwitsa mwanayo.
2. Imodzi mwa ntchito zofunika kwambiri ndikuteteza kukhala ndi thupi la chikasu mu ovary. Choncho, msinkhu wa progesterone umene uli wofunikira kuti ubale kubereka bwino umasungidwa.
3. Zotsatira za prolactin pa mapangidwe a "chibadwa cha amayi" ndi zochitika zoyenerera za khalidwe zinadziwika.
4. Kulamulira ntchito ya adrenal glands (prolactin imalimbikitsa kupanga androgens).

Mwa amuna, mahomoni otchedwa prothctin amatha kukhala ndi zotsatira zotsatirazi pa thupi:

1. Chifukwa cha ubale wapamtima ndi LH ndi FSH, ma prothectin amachititsa kuti ma hormone ena azitsatira ntchito yogonana. Kuphatikizapo kukhazikitsa mapangidwe a testosterone.
2. Amagwirizana ndi lamulo la spermatogenesis.
3. Zimalimbikitsa kusungunuka kwa prostate gland.

Motero, zikuwonekeratu kuti prothectin ya mahomoni imasonyeza dongosolo la kubereka kwa mkazi ndi mwamuna.

Zizindikiro ndi kuchuluka kwa prolactin

Mavitamini otchedwa hormone prolactin amachititsa mavuto aakulu kwambiri, kuphatikizapo amayi ndi abambo.

1. Kumayambiriro kwa matendawa kumakhala ndi kuchepa kwa chilakolako chogonana, chomwe chimachititsa kuti matenda a hyperprolactinemia apitirize kubereka kusabereka.
2. Akazi ali ndi matenda a anorgasmia ndi kusamba. Kusamba kwabwino kumabwera patsogolo. Pamene mayeso amasonyeza kuti kulibe ovulation. Izi zimachokera ku mgwirizano wapakati pakati pa mahomoni ogonana ndi prolactin, popeza kuchuluka kwa prolactin kumachepetsa kupanga LH ndi FSH . Ndipo ichi ndi chifukwa cha kusabereka.
3. Pakhoza kukhala kutuluka kuchokera kumatenda a mammary.
4. Kwa amuna, kuphwanya ntchito zogonana ndi kuchuluka kwa prolactin kumawonetseredwa ndi kulephera kwa erectile.
5. Ndiponso, kugonana sikungakhale kophatikizidwa ndi kuthamangitsidwa ndi maonekedwe. Pofufuza za spermogram, kachilombo kakang'ono ka spermatozoa kamadziwika, kakudziwika ndi kuchepa kwa kayendedwe kawo ndi kukhalapo kwa zolakwika zosiyanasiyana mu kapangidwe kawo.
6. Kuchuluka kwa prolactin kumalimbikitsa kuwonjezeka kwa zipangizo zam'mimba mwa amuna. Matendawa amatchedwa gynecomastia.