Estrogens mu zitsamba

Estrogens ya chiyambi cha zomera ndi zinthu zomwe zimakhala ndi zotsatira zofanana monga mahomoni a chiwerewere achimuna ndipo ali ofanana ndi iwo mwa mankhwala omwe amapangidwa. Masamba a estrogens samapangidwa mu thupi lachikazi, koma amagwera mmenemo pamodzi ndi chakudya chomera, makamaka zitsamba. Nthawi zina zotchedwa estrogens zimatchedwa "zakudya". Mwa zochita zawo iwo ali ofooka kwambiri kuposa zopangidwa ndi zachilengedwe, zomwe ziri mu thupi la mkazi.

Pali lingaliro lakuti ma estrogens omwe ali mu zitsamba ndi mbali inayake ya kutetezedwa kwachirengedwe kwa kubereka kochuluka kwa nyama zamoyo. Kuwonjezera apo, amateteza chomera chomwecho ku zotsatira za bowa zovulaza.

Kodi zitsamba zili ndi estrogen?

Pafupifupi, zitsamba zokwana 300 za mabanja 16 osiyanasiyana zimadziwika, zomwe zili ndi estrogens. Zimakhala ndi estrogens 20 zosiyana.

Magulu odziwika kwambiri a ndiwoti estrogens ali ndi lignans ndi masoflavones. Yoyamba ndi mankhwala omwe anapangidwa chifukwa cha kukonzanso ndi mabakiteriya m'mimba mwa mbewu ya fulakesi, mbewu zonse, komanso zipatso ndi ndiwo zamasamba. Oimira gulu la lignan ndi enterodiol ndi enterolactone. Gulu lachiwiri, maoflavone, omwe ali oimira ndi abambo, amapezeka mu nyemba ndi nyemba.

Kawirikawiri, akazi omwe anakumana ndi mavuto a amayi, amagwiritsanso ntchito mankhwala omwe amachititsa kuti estrogen ikhale m'magazi.

1. Choncho, nsalu yofiira imatanthawuza zitsamba zomwe zili ndi estradiol . Ndicho chifukwa chake mankhwalawa amachotsedwa nthawi zambiri ngati amayamba kusamba, komanso njira zothandizira kuchepetsa kusamba.
2. Zomwe zimapangidwa ndi nyemba za nyemba zimaphatikizapo progesterone, zomwe zili m'thupi zingathe kutsogolera ntchito yobereka. Asayansi akhala akuzindikira kwa nthawi yaitali kuti zamoyo zam'madzi, zomwe zili ndi nyemba, zimakhala ndi mavuto obereka, zomwe zimatsimikiziranso kupezeka kwa estrogens, komanso mahomoni ena, makamaka progesterone.
3. Zimatsimikizirika kuti mbeu ya fulakesi imakhala ndi estrogens, yomwe ili ndi chitetezo, chomwe chimalepheretsa chitukuko cha khansa ya m'mawere.
4. Mphuno imakhalanso ndi majeremusi ochuluka, omwe amatsimikizira kuti amayi omwe amagwira nawo ntchito yosonkhanitsa mbewuyi, nthawi zambiri amalephera kusamba.