Kukune Human - he merekara i te mutunga ka riro te tamaiti

Ko te wā gestation runga toharite e pā ana ki 280 nga ra. I roto i tenei wā, tupu he hua iti wairakau i roto i te rahi, tonu wehea ki wāhanga, o nei i muri whakawhanake okana me ngā pūnaha. E ngohengohe ana ki te huringa tamau pūnaha whēkau i ngā wāhanga rerekē o te whanaketanga embryonic tangata, me te pae hopea te tamaiti e taea ki te ora i waho te tinana o te whaea. Engari me haere i roto i te marama te roa e iwa i mua riro taea hoki te taiao te kukune tangata.

I mua tīmata te kukune ki te whakawhanake, me puta te reira kikiritanga. Ki tenei ruahuru me pakari mai nei e te tika ovum. I roto i tenei wā, ka karanga kano, me puta te kikiritanga. Anake ka tīmata te whanaketanga poua o te tangata hou. Ngā wāhanga o te whanaketanga embryonic tangata ko kaua te noho, mau e te whanaketanga tuu katoa tuarua mō te iwa marama, engari kua wehea herenga tākuta hapūtanga ki trimesters, ia o nei i reira ko te huringa hanganga.

atamira whanaketanga

1 marama (1-4 wiki). Ko te wā katoa ko te wehenga tamau o te pūtau ovum me te whakanui ake i te reira i roto i te rahi. O ngā pūtau whakatakotoria nga whekau, me i te mutunga o te tohanga o haamata toto. kukune tangata i tenei wā ko te rahi o te witi o te onepu.

2 marama (5-8 wiki). whakawhanake te reira i te uho ko te whakatūnga o tinana waho, me te whakawāhanga o te tinana i runga i nga ringa, waewae, upoko. E haamata te tamaiti mata denoted.

3 marama (9-12 wiki). tīmata te kukune ki te neke. Ending te wā embryonic, kei te haere mai ki te mutunga o te huatū tuatahi. Mai i tenei kau taea te huaina reira kukune tangata. Kua kua e ia pūnaha okana katoa, e ka tonu ki te kia anake tupu. Ko reira taea inaianei ki te whakatau anake te matenga tari, tailpiece me puku o ringa me waewae, o nei i roto i te heke mai ka e whakawhanakehia wahi.

4 marama (wiki 13-17). haamata te reira i te rua o te huatū. Kanohi atu me te ake rite te tangata: ko nga taringa i runga i tona nohoanga, ki te kia katia tonu ona kanohi. kua whakawhanakehia wahi, engari kei tonu maihao i roto i to ratou aruaruraa.

5 marama (18-21 wiki). kōhiwi Cartilaginous āta whakapakeke whakawhanake wheua. tīmata te hua ki te rongo oro, me tīmata ia ki te whakaemi ngako tinana. Whakawhanake ringa me waewae, kua he tino whakawhanakehia wahi te tamaiti.

6 marama (22-26 wiki). Kiri timata ki te mahi, i reira he huruhuru ki runga ki te matenga, me te mata, ko te hanganga o whao. kikokiko mārama kitea, e e kua whakawhanakehia. riro taea kukune Human.

Marama 7 (Wiki 27-31). Ka taea e Baby whakatuwhera ona kanohi. Na ko te tino pūkoro ia, a taea mama ite i te reira. Ia hohoro tupu makawe, ka kei te whiwhi ia taimaha. tonu nga okana katoa ki te whakawhanake, engari he reira rite hoki te ora i roto i te ao i waho.
8 marama (32-36 wiki). Tino whakawhanake roro oti tona tamarikitanga. Ko te tino, me te tino mahi i te pūnaha io. Āta i hanga puku i runga i te arero. ngako subcutaneous i tenei wāhi ko te toharite o e pā ana ki 8 ōrau o ratou taimaha tinana.

9 marama (37-40 wiki). e Kid te tūranga whakamutunga mo te whanautanga ka ū mai. Na he rite reira a taea te whanau i tetahi taime.