Nwa nwanyi nwanyi

Nwayi ọmụmụ nwanyi, nke a na-akpọ egg, bụ obere ihe e guzobere gburugburu, bụ nke a na-ekesa ndepụta nke vitelline. N'èzí, a na-ekpuchi sel na-amụ nwa, otu gamete ahụ, na okwute na-egbuke egbuke ma na-agbanyekwa mkpụrụ ndụ follicular nke na-arụ ọrụ na-edozi ahụ. Na mgbakwunye, ha na-arụ ọrụ dịka ihe mgbochi, n'ihi ya ha na-ejikarị arụ ọrụ nchebe.

Kedu ihe e ji mara usoro nhazi nke ụmụ nwanyị na-enwe mmekọahụ?

A na-akpọ egg, na-eto eto, nke a na - akpọ oocyte. A na-ekewa mkpụrụ ndụ nwanyị niile site na meiosis. Ekwesiri ighota na na uzo nke nkewa na umu nwanyi enwere ufodu ihe. Ya mere karịsịa na nhazi mbụ nke nkewa, àkwá na-egbu oge na mmepe, ebe ọ na-aba ụba.

Nwanyi, obuna na onodu nke mmepe intrauterine, site na oogonia - sel nwanyi nke mbu, otutu ogwu ohia. O kwesiri iburu n'uche na ruo nwa oge tupu amu umuaka umuaka achogharia n'ime uzo ozo, ya bu. gburugburu ha ka e guzobere shell ahụ, nke e kwuru n'elu.

Ihe niile na-eto eto na-eto eto na-eto eto ma na njedebe ma ọ bụrụ na ndị na-emepụta ọgwụ na-eme ka ha ghara ịhapụ ha. Ekwesiri ighota na n'ime oge mmadu na-etolite na oocyte na-amalite na mmalite nke ogo. Ya mere, enwere ike ikwu na mkpụrụ ndụ ịmụ nwa na- eto eto na ovaries, ma ọ bụ karịa na eriri.

Kedu ihe ndị e ji mara usoro ọmụmụ nke ụmụ nwanyị na-enwe mmekọahụ?

N'oge maturation, ọkpụkpụ bụ isi na-enweta nkewa site na meiosis, nke na-ebute nhazi nke abụọ ahụ, nke karịrị nnọọ nke mbụ. N'okwu a, cell a nwere mgbapụta, ya bụ. ọkara ọkara nke ihe chromosomal, tinyere nkochi karịa ụmatụ isi.

Mgbe izu oke nke ụmụ nwanyị na-ahụ maka mmekọahụ na-agwụ, vial, nke dị n'okpuru ihe mkpuchi epithelium nke gland n'onwe ya, nke ovary ahụ, agbajiela. Mgbe nke ahụ gasịrị, ozo na-abanye n'ime oghere abdominal (usoro nke usoro ovula), si na ya na-ejide ya na tubes, na-abanye n'ime tublopin tube.

Kedu ọrụ bụ isi nke ụmụ nwanyị na-enwe mmekọahụ?

N'ịbụ onye na-emeso aha nwanyị mmekọahụ nwanyị, mgbe ọ nyochachara usoro ya, ọ dị mkpa ikwu banyere ihe ọ pụtara. Ya mere, n'etiti ọrụ nke àkwá, ọ dị mkpa ịkpọ aha:

• mmepụta nwa - nwa ebu n'afọ sitere na egg fertilized;
• nchekwa na ịnyefe ihe ọmụma mkpụrụ ndụ.