A follicular lokaci na hailar sake zagayowar

Follicular lokaci - wannan shi ne lokaci na farko da na ovarian sake zagayowar, wanda aka halin girma da kuma maturation na follicle.

Follicular lokaci ko matsayin shi ne ake kira, estrogen, shi zai fara da farko ranar haila kuma yana har daidai lokacin da ovaries ba balaga daya ko dama karva follicle. A karshen wannan lokaci - ovulation.

Its duration iya zama quite daban-daban. More sau da yawa fiye da kowane wata jinkiri faruwa saboda jinkirin maturation na follicle. Babban factor cewa rinjayar da tsawon wannan tsari ne lokacin yana daukan ga jiki cimma matsakaicin matakin na estrogen.

Bisa ga aikin da morphological canje-canje a cikin ovaries wata-wata sake zagayowar za a iya raba da wadannan bulan:

1) follicular lokaci.

2) Ovulatory.

3) luteal.

4) hailar.

Wannan lokaci na zagayowar, wadda take kaiwa zuwa ovulation ake kira da follicular. Yawancin lokaci, yana daukan kawai na farko da rabi na sake zagayowar, amma shi iya, wani lokacin kai ƙara. A talakawan sake zagayowar lokaci - 28 days. Duk wani sabawa daga wannan lambar kawai ya sa ta tsawon lokaci da follicular lokaci.

Follicular lokaci ne halin da girma da karuwa a kira da a saki estradiol da inhibin. A taro na wadannan hormones ƙaruwa ba kawai a cikin tsari wurare dabam dabam, amma kuma a cikin follicular ruwa. Wani wuri 2 kwanaki kafin haila fara follicle ci gaba daga matabbatarta ko bigiren form.

Just a wannan lokaci a cikin kwai mutu rawaya jiki, wanda aka kafa da baya a baya sake zagayowar. A sakamakon wannan tsari - kaifi karu a maida hankali estradiol, progesterone, kuma inhibin (Malkisadik biyu a karami har).

A lokacin 4-5 days wannan lokaci na dormancy ci gaba da fita da kuma harkokin ovarian bigiren follicles. Follicle-haramta motsa hormone (FSH) ya fara sa cell yaduwa, wadda aiki qara ma. Wannan results a karfafa samuwar androgens estrogens an hada interstitial Kwayoyin.

Follicles kafa a wannan lokaci yawanci ba shi da guda Layer na follicular Kwayoyin kewaye da oocyte. Bugu da kari, karamin tari na follicular ruwa akwai tsakanin wadannan Kwayoyin. Follicle-haramta motsa hormone fara sa bayyanar da wani ma fi girma yawan rabe ga LH da nasu rabe. Kuma yanã ƙara musu ji na ƙwarai to luteinizing hormone.

A follicular lokaci ne halin da cewa da 6-7 ranar zagayowar, daya daga cikin sahun follicles fara mamaye. Just ya kuma za a kara raya da kuma bayan ovulates game da wani 13-15 rana sake zagayowar. Domin da rinjaye follicle ne halin da mafi mitotic aiki na follicular Kwayoyin, mafi girma jari na follicle-haramta motsa hormone a folllikulyarnoy ruwa.

Non-rinjaye follicles da wani babban rabo daga androgens da estrogens, kuma shi ya ce a cikin follicular Kwayoyin rage aromatase aiki. Irin wannan maras rinjaye follicles ci baya (atresia). Androgens - a key factor a inducing atresia.

Late da kuma tsakiyar follicular lokaci na hailar sake zagayowar ne halin da wani ma fi girma karuwa a cikin kira na estradiol da inhibin B, wadda take kaiwa zuwa hanawa na samar da follicle-haramta motsa hormone da pituitary gland shine yake da tsaya a nan ba da girma da sabon follicles. Girmancin na estradiol ma take kaiwa zuwa wani karuwa a mugunya luteinizing hormone da karuwa a ovarian ji na ƙwarai to gonadotropins. Bugu da kari, da babban abun ciki na estrogen sa endometrial girma. Irin wannan canje-canje da ake kira "yaduwa zamani".