Amayi oyembekezera: yoopsa chitukuko mlungu ndi mlungu

Ndi mwana ku dziko - ndondomeko lovuta kwambiri ndi zofunika. Lililonse amayi oyembekezera akufuna kudziwa momwe chitukuko Ndisanaumbidwe chikuchitika mlungu uliwonse. Ndipotu kanthu adzatsekeredwa zobisika m'maso mwa munthu, koma ankaphunzira asayansi.

Motero, kukula kwa mwana wosabadwayo ndi mlungu

Woyamba maola angapo pambuyo pathupi. Umuna likulowerera dzira ndi umuna ndondomeko. milungu isanu ya zipatso chifukwa amatchedwa "Ndisanaumbidwe".

masabata 1-2. Pali yogwira magawano selo. Ndisanaumbidwe ukusunthira pansi pa mazira chubu m'chiberekero ndipo afika mpaka kumapeto a sabata kachiwiri Ufumuyo mucosa ake. kugonana mwana anatsimikiza pa siteji iyi, ndipo izo zimatengera ya DNA, imene ili umuna kuti umuna dzira.

masabata 3-4. Ngakhale kuti chipatso kakang'ono kwambiri, iwo atayamba kale throb mtima. Pang'onopang'ono akutulukira mantha dongosolo, fupa, ndi minofu. Childs, mu nthawi iyi, mkazi amayamba kuganiza kuti ali ndi mimba chifukwa kusamba palibe.

Sabata 5. Utali Ndisanaumbidwe pafupifupi 6-9 millimeters. Iye kale osauka ubongo ndi msana, ndi mapangidwe chapakati mantha dongosolo. Angalekanitse mtima, kuoneka manja, miyendo, mutu ndi mabowo kwa maso, pakamwa ndi mphuno.

Sabata 6. Kupanga latuluka. Nthawi imeneyi, akutumikira monga mwana chiwindi, m'mapapo, impso, m'mimba.

sabata 7. Ndisanaumbidwe m'litali ndi zoposa 12 millimeters ndi kulemera kwa 1 gram. zipatso ali ndi dongosolo vestibular ndipo zimayamba kusuntha, koma gululi akazi sanaganize chifukwa cha kukula ting'onoting'ono.

sabata 8. Chitukuko cha mwana ndi sabata mimba atuluka mofulumira ndi mwadongosolo. Mu khanda kale anapanga thupi. N'zotheka kusiyanitsa nkhope, mphuno, makutu. Chikudziwikabe kusintha wamanjenje dongosolo ndi mafupa kukula. Pali zoyamba poyamba ziwalo zoberekera.

Mlungu 9. thupi lonse ndi mwana kale tilinazo. Iye akhoza kukhudza lokha chingwe umbilical.

10-13 masabata. Izi siteji - imodzi yofunika kwambiri mu ndondomeko ya chitukuko yoopsa, kuyambira mofulumira ubongo ndi ambiri ziwalo. zipatso akuyamba kuti kumeza choyamba. Chifukwa cha kukula yogwira mafupa a kukula kwake zikuchulukirachulukira mofulumira, imbaenda kukula kwa mimba ndi pakati. Nthawi imeneyi, mwanayo akhoza mwamva kale timinofu anapanga.

14-16 masabata. Yambani lizigwira impso ndi chikhodzodzo, chipatso amapanga mpweya choyamba, tsegulani maso anu. N'zochititsa chidwi kuchuluka galimoto ntchito.

17-20 masabata. Photo Ndisanaumbidwe kwa milungu ingapo nthawi imeneyi zikusonyeza kuti ziwalo zonse za thupi ndi kale kuoneka bwino. Mwana amatsegula pakamwa pake, kuphethira. Chifukwa chakuti kukula kwake ndi kale kuposa 14 masentimita, mayi woyembekezerayo amayamba kuona zodabwitsa yaing'ono.

21-25 masabata. Chikuwonjezereka yoopsa kulemera, pali mafuta choyamba. Kuwala mwana ndi mokwanira, ndipo mu mwambo kubadwa msanga pambuyo masabata 23 pali mwayi bwino kupulumuka mu odwala mwakayakaya. Umayamba kumveka kugunda kwa mtima wake, akaika khutu lanu kuti m'mimba mwa mimba.

26-30 masabata. Ndisanaumbidwe chitukuko mlungu ndi mlungu nthawi imeneyi ndi wotanganidwa kwambiri. Choncho, wakuyamwa reflex aumbike, pangakhale tsitsi loyamba pa mutu wake ndi nsidze, zikhadabo kukula.

31-35 masabata. Chikopa mwana amakhala thicker. Pa maso, atsegula maso ake atseka akagona. Mwakhama osauka ubongo, chiwerengero cha convolutions kumawonjezera. Mapapo ndi athanzi, akufotokozera akundigwira reflex.

36-40 masabata. Nthawi podikira ndi kukonzekera kubadwa. Kuchokera pamenepa, tikhoza kuyembekezera ndewu choyamba - precursors. M'mimba akutsikira, ndi khomo pachibelekeropo shortens. thupi amakonzekera pobereka. Pa nthawi imeneyi, ndi sabata chitukuko cha mwana wosabadwayo amaliza. Mwana chimafa, kukankhira zochepa chifukwa cha kukula kwambiri amakhala ambiri. Milungu 38 mwanayo amaona zonse yaitali.