Kubafowethu abancane nabantu, isikhathi sokuthuthukiswa kwe-postembryonic sinezigaba ezintathu:
- Izingane. Lesi yisigaba sokuqala - sinqunywa isikhathi kusukela ekuzalweni kuya ekuthomeni, kuhambisane nokukhula okusebenzayo, ukwakheka kokugcina kwazo zonke izitho nezinhlelo, futhi kungaqhubeka ngezindlela ezahlukene. Ngokuyinhloko, izinhlobo ezimbili zokuthuthukiswa kwe-postembryonic zihlukaniswa: ziqondile futhi ziqondile. Uma umuntu osanda kuzalwa efana nomuntu omdala yizibonakaliso zangaphandle nezici zenhlangano yezinqubo zokuphila, khona-ke lokhu kuthuthukiswa ngokuqondile kwe-postembryonic. Endabeni yokuthuthukiswa okungaqondile, i-organism ixhomeke ekutheni kube nokuhlelwa kwemithi.
- Ukukhulelwa, noma isikhathi sokuthomba. Lesi esinye sezigaba ezide kakhulu zokuthuthukiswa kwe-postembryonic, lapho umzimba ukwazi ukuzala.
- Ukuguga. Isigaba sokugcina semvelo somjikelezo wokuphila, ophela ngokufa noma ukuphoqeleka ukufa.
Izici ze-postmbryonic isikhathi sokuthuthukiswa komuntu
Izitho nezinhlelo zendoda encane zakhiwe esibelethweni sikamama, lapha ingane ithola izinto eziphathelene nezakhi zofuzo, okuyisici esiyisisekelo sokuthuthukiswa kwayo. Inkathi ye-intrauterine inezinyathelo zayo, ngayinye yayo ebonakala ngezinguquko eziningi.
Isibonelo, ngenyanga yesibili yokukhulelwa umbungu uba njengomuntu omdala, nakuba ubukhulu bawo abudluli 3 mm, futhi ukuhlala ngaphandle komzimba kamama akunakwenzeka. Ngesikhathi sokuzalwa isisindo somntwana sifinyelela ku-3-4 kg, ukuphakama kungu-45-55 cm, kanye nezinhlelo eziqinisekisa ukuthi umsebenzi obalulekile womzimba usulungele ukusebenza okuzimele.
Lapho ebona ingane esanda kuzalwa, kuba sobala ukuthi indlela yokuthuthukiswa kwayo emva kokumbumbulu izoba ngqo. Njengoba umuntu omdala ehluke kumuntu omdala kuphela ngokulingana komzimba nokungaqali kwezinye izinhlelo.
Isikhathi sokubeletha sokuthuthukiswa komuntu, njengento ehlelekile, sifunde ngokucophelela, futhi sihlukaniswe ngokuthi:
- Isikhathi esisanda kuzalwa siyizinsuku eziyishumi emva kokuzalwa. Ngalesi sikhathi, umntwana uchitha isikhathi esiningi ephusheni, futhi ukukhula okugcwele nentuthuko udinga ubisi lwebele.
- Isikhathi sebeletha - kusukela ezinsukwini eziyishumi kuya ngonyaka. Phakathi nalesi sikhathi, i-crumb yenza inqwaba enkulu ekukhuleni kwayo kwengqondo nangokwenyama. Ekupheleni konyaka wokuqala wokuphila, iningi lezingane selivele limi ngesibindi ezinyaweni zazo, lidla ukudla okuhlukahlukene, ama-syllables okuqala asho.
- Ubuntwana obuneminyaka engama-1-3. Ezinganeni, ukusebenzisana kwezinyathelo kuthuthuka, bayakwazi ukuveza imicabango nezidingo zabo ngokucacile, njalo bagcwalise ulwazi lwesilulumagama, banesithakazelo esikhulu ezweni elizungezile.
- Ubuntwana bokuqala buyiminyaka engama-4-7. "Umsakazo Kryuchochki" usakaza cishe iwashi - ingane ngeke iphumule kuze kube yilapho ithola impendulo yombuzo obuziwe, futhi lokhu kuvela okuningi.
- Ubuntwana bokubili buyiminyaka eyi-8-12. Izingane ezineminyaka yobudala ngokushintsha isimo se-worldview, kukhona ukwakheka kokugcina komsebenzi wemoto.
- Isikhathi sentsha sekuyiminyaka engu-13-16. Ama-hormone ezocansi aqala ukukhiqizwa, okuphathelene nawo, kunezinguquko eziphawulekayo emzimbeni wengane, kokubili ngokomzimba nangokwengqondo-ngokomzwelo.
- Inkathi yobusha yiminyaka eyi-17-21. Isimo somzimba omncane sishesha ngokufana naleso somuntu omdala.
- Isikhathi esivuthiwe singu-22-60 iminyaka. Kule minyaka yobudala, zonke izinhlelo zakhiwa, ukuyeka ukukhula, futhi umuntu ekugcineni angena esigabeni sokuzala.
- Ukuguga kuneminyaka engu-61-74. Eyaziwa yizibonakaliso eziningi zangaphandle ezibonisa ukubola komzimba.
- Isikhathi senile singu-75-90 iminyaka.
- I-long-livers - engaphezu kweminyaka engu-90.