KumiswaIsayensi

Ukuthuthukiswa ngamunye umzimba. inqubo Izici

ukuthuthukiswa ngamunye eziphilayo - iqoqo izinqubo yezinto eziphilayo ukuthi kuholele ekukhuleni kanye ushintsho amaseli ngesikhathi sonke isikhathi ukhona yabo. Ngokuvamile wamukele igama yezesayensi - ontogeny. umsebenzi wayo lomkhulu ukuqapha, ekuboneni izinyathelo esemqoka kanye nezici kwenkathi ngayinye, ukuhlonza lwamaphethini, kanye nokuhlaziywa futhi ukuthola izinguquko izici ezingase zibangele lezi zinguquko.

ukuthuthukiswa ngamunye umzimba womuntu nje kuphela kodwa futhi zonke izidalwa eziphilayo futhi izitshalo. Izigaba eyinhloko ukuthuthukiswa yilezi:

  • ukuthuthukiswa Predzarodyshevoe (lwegciwane umugqa).
  • isikhathi kumuntu okhulelwe yentuthuko (ukuthuthukiswa umbungu efanele, embryogenesis).
  • Nangemuva kokuzalwa komntwana (ngemuva ukuthuthukiswa lokuzalwa: ukukhula, isisindo somzimba, ukuvuselelwa, kwamangqamuzana).
  • isikhathi Gerontology (ukuguga).
  • I ekufeni komzimba (njengoba isigaba ahlukene ontogeny bokufa aziqabukeli, kodwa yiluphi uhlobo lwentuthuko ngazinye ekupheleni kwaba wakhe).

Cabanga ukuthuthukiswa ngazinye izitshalo umzimba kulesi sihloko encane thina ngeke, futhi sizogxila ukuthuthukiswa eduze komuntu emhlabeni isilwane. Izigaba yentuthuko, njengoba sekushiwo, umuntu musa ukushintsha futhi uhambisane lezo ezishiwo ngenhla.

Gametogenesis kubantu siqukethe izingxenye ezimbili: spermatogenesis (nokuvuthwa lwegciwane amaseli wesilisa - isidoda) kanye oogenesis (nokuvuthwa of gametes zesifazane - amaqanda). Ukuvundisa kungenzeka kuphela ngaphansi kombandela kwamaKristu avuthiwe ubulili amaseli amagundane owesilisa nowesifazane. Esimeni kwezinso e kokukhulelwa kungase zimiswe eziphilayo - chimeras, ezinye zazo ngempela abonakala engasebenza ngempumelelo.

Embryogenesis indoda - one of the izigaba ebaluleke kakhulu. It ihlukaniswe yaba i esigabeni sokuqala (0 - 1 iviki emva kokukhulelwa), empeleni lwegciwane esiteji (2 - 8 amasonto) futhi isigaba fetus noma fetus (9 ngesonto - lokuzalwa). Yilokho akhiwa izitho ezibalulekile ngalesi sikhathi, umzimba esikhishwe, ungakwazi azibonakali noma ezinye kwezinso zofuzo.

Ukuthuthukiswa ngabanye umzimba esikhathini nangemuva kokuzalwa komntwana kuyinto ukuthuthukisa ukukhula kwezitho, okwandisa ubukhulu nesisindo, yokufuna imisebenzi emisha engqondo, izinguquko motor umsebenzi kanye nentuthuko yayo kwezinhlobo ezintsha. Nangemuva kokuzalwa komntwana isikhathi - ebaluleke kakhulu ekuthuthukeni kwezimakethe indoda entsha. Ubude bayo 17 eminyakeni (kusukela ekuzalweni kuze usakhula). On ukuthuthukiswa ngabanye umzimba ngalesi sikhathi zingathinti nje izici kubangelwa ufuzo, kodwa futhi nokusebenza kwengqondo kanye nesakhiwonchanti setenhlalo. unembeza Kwakheka, inkulumo, ukucabanga nezinye izinqubo yomsebenzi ephakeme sezinzwa. Ekupheleni kwaleyo nkathi, abantu abasha, ivame ukuba ihambisane gametogenesis ephelele.

Ukuguga - esigabeni zokuwohloka, Ukuwohloka kwemithombo zomzimba. thuthuva engelapheki e ezinzwa, ulwelwesi myelin, kunciphisa izinga umbono nokuzwa, "uzokhathala" izitho ezibalulekile, izinguquko isikhumba, walahlekelwa umsebenzi yokuzalana nezicubu ukuvuselelwa kubambezela ngokucijile, njll

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