Kodi follicle lalikulu?

Follicle - njira cyclical chimene chimachitika mazira pansi pa ulamuliro wa kachitidwe mantha ndi endocrine. Limagwirira waukulu kusandulika ake ndi kusintha kwa follicle mu dzira lokhwima.

Mbali yaikulu ya folliculogenesis ndi mapangidwe wamphamvu (chachikulu) follicle.

follicles lalikulu popangidwa ndi magawo successively wotuluka:

- chiyambi cha mapangidwe a khamu la yaing'ono follicles antral ,

- kukula ndi chitukuko cha follicles ang'onoang'ono

- kusasitsa wa follicle lalikulu,

- ovulation.

Tikhoza kunena kuti ndi wokhwima lalikulu follicle - dzira, amene ayenera sovulirovat. Choncho, zimaonekeratu kuti ndi njira zonse izi follicle mapangidwe, kenako ovulate, i.e. kuthekera mimba.

Mapangidwe follicles yaing'ono akuyamba ndi masiku oyamba a kuzungulira kusamba. Komabe, kukula wayamba yekha gormonozavisyaschuyu siteji amene amabwera yomweyo pambuyo akamaliza gawo luteal. Pa nthawi yomweyo amachepetsa chiwerengero cha estradiol ndi progesterone, koma kuchuluka kwa follicle popatsana timadzi (FSH) kumawonjezera.

Tikumbukenso kuti follicle lalikulu zimakhudza zinthu zambiri zimene zingachititse kuti imfa yake. Komabe, thupi wamkazi lakonzedwa kuti onse njira zake Cholinga chake asayambe dzira ndi manyowa. Choncho, follicle lalikulu "kuteteza" epidermal kukula chinthu ndi yosintha kukula chinthu (TGF).

Patapita masiku 5-7 pambuyo isanayambike Kutha Msinkhu chiyambi kupanga follicles yaing'ono. Iwo akutchedwanso ukachenjede kapena antral. Amene pali ndithu - 10 zidutswa. gawo limeneli limatchedwa oyambirira folliculogenesis kuchuluka kapena chiyambi cha mapangidwe yaing'ono follicles antral . The awiri a mabungwe awa ang'onoang'ono si upambana 5 mm. Iwo zili mu "mkanda" pa periphery wa n'kuwasanganiza lapansi. Kwa nthawi yaitali, gawo la kuwonjezeka follicle kukula ndipo ikupita patsogolo.

Choncho, follicle lalikulu aumbike pambuyo pafupifupi 10 masiku a kuzungulira kusamba, ndi pa nthawi ino miyeso yake kufika 15 millimeters. Ena follicles kuti alephera kupeza kulemera zofunika amayambiranso ndi kufa. Chifukwa cha zimenezi, tinganene kuti follicle lalikulu kungakhale kuposa wina. Pamene mazira awiri kapena msinkhu amene ndiye umuna, kukhala mimba angapo. Zimenezi si wamba, koma Zikatero zinalembedwa. Nthawi zambiri ndi zimayambitsa iatrogenic: mankhwala zochokera mahomoni, kulera m'kamwa kapena lidzawagwiritsenso. Koma si analetsa ndi chifukwa thupi la kubadwa kwa mapasa ndi atatu.

Kulongosola nthawi ya ovulation lalikulu follicle ayenera kuyesetsa awiri pafupifupi 20 millimeters (zoposerapo). Pamalo a follicle ndi kupanga corpus luteum ali pang'ono kakang'ono kuposa kuloŵedwa m'malo.

Ngati umuna zimachokeradi, ndiye sabata pambuyo kutulutsidwa kwa dzira kuchokera n'kuwasanganiza corpus luteum umayamba kuchepa mu kukula - regresses. Ndi nthawi ya uterine za indofeliyamu kukana ndi corpus luteum, monga ulamuliro, Amwalira pamalo ake kokha otsala gawo la echogenicity wosweka.

Ponena za folliculogenesis, sindingakhoze kukhala pa mfundo yonena za "follicle chosatha."

Lekeza wotchedwa follicle wakupambana magawo onse a folliculogenesis, kupatula ovulation yomweyo. Kodi zifukwa kungachititse kuti zodabwitsazi si bwino. Komabe, madokotala nthawi zambiri kutenga khama ngati zosinthika wa mwakale, ndithudi, ngati si kawirikawiri.

Nthawi zina zimachitika kuti follicle kulimbikira ali n'kukhala yamchiberekero chotupa yaing'ono. Mwa odwala amene panali chotupa, uzisunga. Ngati ndondomeko izi sayambitsa madandaulo, mankhwala si chofunika.

Monga ulamuliro, kulimbikira utaphulika follicle pa ovulation, koma mimba pamene zinthu izi sizingatheke, chifukwa uterine endometrium ndi woonda kwambiri implantation.