Mukati
Chii chinonzi corpus luteum?
Iyo corpus luteum, iyo inonziwo "corpus luteum", inokura kwenguva pfupi mwedzi wega wega mukati mechikamu chechipiri chemuviri. kuenda kumwedzi, uye zvakanyatsojeka zvechikamu che luteal, ndiko kuti mushure mokunge ovulation.
Muchokwadi, kana ovulation yapera, iyo ovarian follicle ine oocyte inoshanduka uye inotora yero ruvara kuti ive endocrine gland iri mukati meiyo ovary uye iro basa guru nderekuburitsa. progesterone.
Kukosha kwe corpus luteum kubata pamuviri
Inodiwa pakubereka uye kukura kwakakodzera kwepamuviri, progesterone inogadzirwa ne corpus luteum inobatsira kugadzirira endometrium kuti igamuchire zai mushure mekusangana. Uterine lining - kana endometrium -, yakaonda kwazvo pakutanga kwekuenda kumwedzi, inokora nekuonekwa kwetsinga nemasero kuti ipe nharaunda yakanaka kune iyo. kudyara, ndiko kuti, nguva iyo embryo inodyarwa muchibereko.
Inofungidzirwa kuti progesterone inovanzwa mumazuva gumi nemana ekupedzisira ekuenda kumwedzi. A secretion inokonzera kuwedzera kwekushisa kwemuviri - pamusoro pe14 ° C -, chiratidzo chokuti ovulation yakaitika.
Basa re corpus luteum panguva yekuzvitakura
Mushure mekusangana, "embryo" inozvidyara pachayo mushure memazuva mashoma muchibereko uye inovanzahormone HCG - chorionic gonadotropin hormone - kana beta-hCG, ne trophoblast iyo inobva yava placenta. Icho chiratidzo chemimba iyo chiyero chinowedzera mumavhiki ekutanga mushure mekubata pamuviri. Zvinowanzoitika panguva ino kuti zviratidzo zvekutanga zvepamuviri zvinoonekwa: kuneta, kusvotwa, kushushikana, kuzvimba kwechipfuva ...
Basa rehomoni HCG rinonyanya kuvimbisa kushanda kwakakodzera kwecorpus luteum uye kubudiswa kweprogesterone, yakakosha pakuchengetedza kuiswa kwe embryo muchibereko. Mumwedzi mitatu yekutanga, corpus luteum icharamba ichibudisa iyi inokosha pamuviri hormone. Kubva pamwedzi wechina, placenta yakakura zvakakwana kuti ive nechokwadi chekuchinjana pakati paamai nemwana pachayo.
Chii chinobatana pakati pemiscarriage uye corpus luteum?
Muzviitiko zvisingawanzoitiki, the kusvodza inogona kunge yakabatana nekusakwana kweiyo corpus luteum, inonziwo luteal insufficiency. Kushaikwa kweHormonal izvo zvinogona zvakare kubatanidzwa nekunetseka kubata pamuviri.
Kurapa kwezvinodhaka kunogona kurongerwa kubhadhara kusakwana.
Cyclic corpus luteum: kana fertition isingaitike
Kana zai racho risina kusangana, rinonzi cyclic corpus luteum. Chiyero chekubuda kwehomoni chinodonha zvakanyanya, chibereko uye tsinga dzeropa mumucheka wechibereko zvinomanikidzana. Chikamu chepamusoro chemucosa chinobva chadzingwa nenzira yemitemo. Ndiko kutanga kwekuenda kumwedzi kutsva.