Hanga hua: mōhiohio whānui

Ovum - he pūtau sex wahine, e kei te huinga haploid o pūira. Ko tōna whakaaro matua - te whakawhiti o te mōhiohio ā-ira i roto i te kikiritanga. Ka taea te rerekē rawa te hanganga o te hua i roto i te natura. Hei tauira, te hua manu - te reira hua ika, hua manu, me ētahi atu He ona ake āhuatanga i ia momo o te kararehe.

Ko te hanganga o te hua manu manu

Mahalo te tauira tino a Tūrongo, o tenei hanganga ko nga hua o nga manu, me ngā ngārara, i te nuinga i te hanganga rite. Egg - he hua manu nui, i te mea ngāwari ki te ako, kahore taputapu motuhake.

hua heihei ngā o te toene, huamanu, me te anga. Ia o enei anō wāhanga he ona ake āhuatanga. Ko te toene ko te pūrerehu, kowhai, hanganga porohita kei roto i te pokapū o te hua manu. Oku i ai e he rota o te ngako, pūmua, huaora, uhi me ngā kohuke hua. Ko tōna whakaaro matua - ko reira te mana o te ira.

toene runga hipoki ki te membrane vitelline kikokore, me te mātotoru, te mata o e taea te kite i te wahi iti o te marama - te blastodisc, i i roto i te wahi i mua i te kikiritanga oocyte karihi.

Next he ma hua manu, e wehea nei ki wha pōro. Oku i ai e he rota o te pūmua, huaora me ngā ōpapa. I tua atu, i reira he he lysozyme - he paru motuhake, e kua he pānga antibacterial. Na roto i te apa pūmua kia taime hau anake.

Pūmua pani podskorlupovymi rua pōro i waenga i nei i reira ko te āputa iti. Shell Hēki - rawa mātotoru hua anga paruru, e ngā tino o te konupūmā pākawa waro. Eggshell taea whai thicknesses rerekē, me te tae - ko te āhuatanga āhuatanga o ia momo takitahi.

Ko te hanganga o hua tangata

Women o hua - he pūtau sex, kei te rongoa nei ka pakari i roto i te follicles o te kura kākano. Ka rite ki te kararehe katoa, hangaia pūtau iroriki tangata te ki te tuku i te huinga o pūira i roto i te uri.

I roto i te rerekē ki te somatic, pūtau iroriki whakaputaina e whāiti pūira, na anake i roto i haploid (i roto i te tangata, ko te 23) he huinga o pūira. Ka kia whakaahuatia Āhuatanga o te hanganga o hua tangata i raro.

Ko te āhuatanga motuhake tuatahi - ko te rahi. Ki te uaua nui te wāhanga pūtau somatic noa 20 micrometers, te diameter o te hua manu wahine ko āhua 100 microns. Ko te pūmau tenei pūtau takoto, me te kei i roto i te ruahuru taea noatia te mutunga o to ratou matuatanga.

Ko te kupu, he rite ki ētahi atu pūtau i roto i te tinana te hanganga o te hua manu - kua tito reira o te karihi, cytoplasm, ka kua iti ki te membrane wē. Ka rite ki kua whakahuatia, te karihi haploid. Kei roto i te cytoplasm he maha nui o ribosomes, pungaraungao, me EPS.

Ano, puta noa i te pūtau e te taurite wehea granules toene pera-ka karanga, e whakarato te mana pūtau noa tona whakataki ki te taiepa uterine. ki tonu Zheltkova mirumiru ki ngā matūkai - te nuinga ngako me te nui iti o te pūmua, huaora me ngā ōpapa.

hua wahine he hanganga me etahi atu āhuatanga. Hei tauira, i roto i te peihana waho o te cytoplasm i roto i granules secretory motuhake. Ki te kătahi o parāoa ki te tirotiro granule tukua te ka mahi i runga i te anga o te hua manu - rite ki te hua, e taui te reira i tona hanganga i roto i te ara taua e kore e taea e kore atu parāoa tomo te reira.

Ko tētahi atu meka ngā ko e te maha o hua te wahine hoatu te hoki i roto i te wā embryonic o te whanaketanga. Ko te reira i roto i te wā o te whanaketanga o te ovaries i roto i te hanga e kē te kukune te maha etahi o follicles me oocytes. A, no te whakaritea ki te tinana toa, te tukanga o te hanganga o te spermatozoa, mai pūhuruhurutanga, he reira tūturu.

Ka rite ki a koutou e taea te kite, ko te tino motuhake te hanganga o te hua manu, me te he tino hāngai ki te mahi mahi ratou i te reira.