Kodi corpus luteum ndi chiyani ndi ubale wake ndi pakati

Zamkati

• Ntchito ya Corpus luteum
• Ubale pakati pa corpus luteum ndi pakati

Corpus luteum, yomwe imadziwikanso kuti thupi lachikaso, ndi kapangidwe kamene kamapangidwa patangotha ​​nthawi yachonde ndipo cholinga chake ndi kuthandiza mwana wosabadwayo ndikukonda kutenga pakati, izi chifukwa zimathandizira kupanga mahomoni omwe amakonda kukhuthala kwa endometrium, kupanga - oyenera kukhazikitsidwa mluza mchiberekero.

Mapangidwe a corpus luteum amapezeka mgawo lomaliza la kusamba, lotchedwa luteal phase, ndipo amatha masiku pafupifupi 11 mpaka 16, omwe amatha kusiyanasiyana kutengera mkaziyo komanso momwe zimakhalira nthawi zonse. Pambuyo pa nthawiyi, ngati palibe umuna ndi / kapena kuikidwa, kupanga mahomoni ndi corpus luteum kumachepa ndipo kusamba kumachitika.

Komabe, ngati kusamba sikuchitika patatha masiku 16, zikuwoneka kuti panali mimba, tikulimbikitsidwa kuti tiwone mawonekedwe ndi zizindikilo, kufunsa azimayi azachipatala ndikuyesa mayeso. Dziwani zizindikiro zoyambirira za mimba.

Ntchito ya Corpus luteum

Corpus luteum ndi kapangidwe kamene kamapanga mchiberekero cha mayi atangotulutsa ma oocyte panthawi yokhayokha ndipo ntchito yake yayikulu ndikulimbikitsa umuna ndi kuyika kamwana kamene kali mchiberekero, komwe kumabweretsa mimba.

Pambuyo pa ovulation, corpus luteum imapitilizabe kukula chifukwa cha zomwe zimapangitsa mahomoni, makamaka kuchokera ku mahomoni LH ndi FSH, ndipo imatulutsa estrogen ndi progesterone, makamaka zochulukirapo, yomwe ndi mahomoni omwe amachititsa kuti endometrium ikhale ndi pakati.

Gawo luteal limakhala pafupifupi masiku 11 mpaka 16 ndipo ngati mimba siyichitika, corpus luteum imachepa ndikuchepera, ndikupangitsa kuti thupi likutuluka magazi ndipo kenako ndikuluma kotupa kotchedwa thupi loyera. Ndi kuchepa kwa corpus luteum, kutulutsa kwa estrogen ndi progesterone kumachepa, kupangitsa kuti azisamba ndikuchotsa matope a endometrium. Onani zambiri za momwe msambo umagwirira ntchito.

Ubale pakati pa corpus luteum ndi pakati

Ngati pathupi pachitika, maselo omwe amabereka mluza, amayamba kutulutsa timadzi totchedwa chorionic gonadotropin, hCG, yomwe ndi mahomoni omwe amapezeka mumkodzo kapena magazi mukamayesa mimba.

Hormone ya hCG imachitanso chimodzimodzi ku LH ndipo imathandizira kuti corpus luteum ipange, kuipewa kuti isafooke ndikulimbikitsanso kutulutsa estrogen ndi progesterone, omwe ndi mahomoni ofunikira kwambiri kuti akhalebe ndi endometrium.

Pafupifupi sabata yachisanu ndi chiwiri yapakati, ndi placenta yomwe imayamba kutulutsa progesterone ndi estrogens, pang'onopang'ono m'malo mwa magwiridwe antchito a corpus luteum ndikuzipangitsa kuti ziziyenda mozungulira sabata la 12 la kubereka.