txheem
Lub corpus luteum yog dab tsi?
Lub corpus luteum, tseem hu ua "corpus luteum", txhim kho ib ntus txhua lub hlis thaum lub sijhawm thib ob ntawm lub cev. lub cev ntas, thiab ntau precisely ntawm lub luteal theem, uas yog hais tias tsuas yog tom qab ovulation.
Qhov tseeb, thaum ovulation dhau lawm, lub zes qe menyuam follicle uas muaj cov oocyte hloov thiab yuav siv sij hawm ib tug daj xim los ua ib tug endocrine caj pas nyob rau hauv lub zes qe menyuam thiab nws lub luag hauj lwm tseem ceeb yog secrete. progesterone.
Qhov tseem ceeb ntawm corpus luteum kom cev xeeb tub
Tsim nyog rau fertility thiab kev loj hlob ntawm cev xeeb tub, progesterone tsim los ntawm corpus luteum pab npaj lub endometrium kom tau txais lub qe tom qab fertilization. Lub uterine hauv ob sab phlu - los yog endometrium -, nyias nyias thaum pib ntawm kev coj khaub ncaws, yuav thicken nrog cov tsos ntawm cov hlab ntsha thiab hlwb los muab ib qho chaw zoo rau lub cev. implantation, uas yog, lub sij hawm uas lub embryo implants nyob rau hauv lub tsev menyuam.
Nws tau kwv yees tias progesterone tau zais hauv 14 hnub kawg ntawm kev coj khaub ncaws. Ib qho zais cia uas ua rau muaj qhov nce hauv lub cev kub - siab dua 37 ° C -, ib qho cim qhia tias ovulation tau tshwm sim.
Lub luag haujlwm ntawm corpus luteum thaum cev xeeb tub
Tom qab fertilization, lub embryo implants nws tus kheej tom qab tsuas yog ob peb hnub nyob rau hauv lub tsev menyuam thiab secretes lubcov tshuaj hormone HCG - chorionic gonadotropin hormone - los yog beta-hCG, los ntawm trophoblast uas yuav dhau los ua cov placenta. Nws yog ib qho qhia txog kev xeeb tub uas nws tus nqi nce thaum thawj lub lis piam tom qab xeeb tub. Nws yog feem ntau nyob rau lub sijhawm no uas thawj cov tsos mob ntawm cev xeeb tub tshwm sim: qaug zog, xeev siab, kev xav, o ntawm lub hauv siab ...
Lub luag haujlwm ntawm cov tshuaj hormone HCG yog tshwj xeeb los lav qhov kev ua haujlwm zoo ntawm corpus luteum thiab kev tso tawm ntawm progesterone, qhov tseem ceeb rau kev tswj cov implantation ntawm lub embryo nyob rau hauv lub tsev menyuam. Hauv thawj peb lub hlis, corpus luteum tseem yuav tsim cov tshuaj hormones tseem ceeb ntawm cev xeeb tub. Txij li lub hlis thib plaub, cov placenta yog cov paub tab kom paub meej tias kev sib pauv ntawm leej niam thiab tus menyuam ntawm nws tus kheej.
Dab tsi yog qhov sib txuas ntawm kev nchuav menyuam thiab corpus luteum?
Muaj tsawg zaus, cov nchuav menyuam Tej zaum yuav muaj feem cuam tshuam rau qhov tsis txaus ntawm corpus luteum, tseem hu ua luteal insufficiency. Hormonal deficiency uas tuaj yeem cuam tshuam rau kev xeeb tub.
Kev kho tshuaj tej zaum yuav raug sau kom them nyiaj rau qhov tsis txaus.
Cyclic corpus luteum: thaum fertilization tsis tshwm sim
Yog hais tias lub qe tsis fertilized, nws yog hu ua cyclic corpus luteum. Tus nqi ntawm hormonal secretion poob qis, lub tsev menyuam thiab cov hlab ntsha hauv ob sab phlu ntawm lub tsev menyuam constrict. Tom qab ntawd lub ntsej muag ntawm cov mucosa raug tshem tawm hauv daim ntawv ntawm kev cai. Nws yog qhov pib ntawm kev coj khaub ncaws tshiab.