Pamuviri vanaamai: fetus vhiki nevhiki

Kuva mwana panyika - a kwacho zvakaoma chaizvo uye anokosha. Ose pamuviri Amai anoda kuziva sei embryo kukura kunoitika nevhiki. Pashure pezvose, chiito ichi vakachengeteka kuvanzirwa vanhu ziso, asi vainyatsoongorora nemasayendisiti.

Saka, kukura embryo nevhiki

The Maawa yokutanga mashoma pashure pamuviri. Mbeu chinopinda zai muchangosangana rikurumidze. Kusvikira kwemavhiki masere kunoguma muchero unonzi "mudumbu".

1-2 mavhiki. Pane chinoshingaira muchitokisi nokupesana. Embryo runoita pasi fallopian chubhu kupinda dumbu uye zvikanzwika pakupera vhiki rechipiri wanamatira ayo mucosa. pabonde vomwana kunotemwa Panguva iyi, uye zvinoenderana yakatarwa okutodza, rine urume kuti nourume zai.

3-4 mavhiki. Pasinei chokwadi kuti chibereko duku chaizvo, atova kutanga pfura mwoyo. Zvishoma nezvishoma zvichiitika maitiro huta, mapfupa, uye tsandanyama. Kazhinji, munguva iyi, mukadzi anotanga chifungidziro kuti vane pamuviri nokuti kumwedzi vasipo.

Week 5. Length mudumbu iri vanenge 6-9 millimeters. Iye kare dzichiri uropi uye musana, ndiyo paumbwe nechepakati tsinga. Kuzviparadzanisa mwoyo, kuzviratidza maoko, makumbo, musoro yakabvooka meso, muromo uye mhuno.

Week 6. Kuumba placenta. Panguva iyi, iye anoshumira nembudzana chiropa, bapu, itsvo, dumbu.

7th vhiki. Muviri kureba kupfuura 12 millimeters uye huremu 1 giremu. Muchero ane vestibular maitiro uye anotanga kufamba, asi kufamba vakadzi havana kunzwa nokuda kaduku kukura.

8th vhiki. Kukura mwana nevhiki pamuviri anobuda nokukurumidza uye nenhevedzano. In kacho kare kuumbwa muviri. Zvinokwanisika kusiyanisa chiso, mhuno, nzeve. It anopfuurira kuvandudza tsinga uye marangwanda ichikura. Kune pedzidziso dzekutanga nhengo dzokubereka nadzo vokutanga.

Week 9. All muviri mwana kare ane nehanya. Iye anogona kubata pacharo, iro achiine rukuvhute tambo.

10-13 mavhiki. Danho iri - chimwe chezvinhu zvinokosha pane nedanho fetus, sezvo nokukurumidza kutanga tsinga uye vakawanda nhengo. Michero inotanga kuti kumedza wokutanga. Somugumisiro yezviri kuvandudzika marangwanda ayo saizi iri kuwedzera nokukurumidza, iyo inosvitsa kukura padumbu uye pamuviri. Panguva iyi, mwana anogona kutonzwa pahuro zvinokonzera vari aumba.

14-16 mavhiki. Tanga kushanda itsvo dundira, michero anoita kundosvikira wokutanga, svinudzai meso enyu. Sezvineiwo kwakawedzera motokari basa.

17-20 mavhiki. Photo mudumbu nokuti vhiki iyi inoratidza kuti nhengo dzose dzomuviri kwava pachena zvinoonekwa. The mbudzana anovhura muromo wake, achibwaira. Nokuti kuti saizi yayo yatova kupfuura 14 masendimita, amai vanepamuviri anotanga kunzwa ukapisa murwi diki.

21-25 mavhiki. Kukurumidza kuwedzera fetus uremu, pane mafuta wokutanga. Light mwana yakatanga zvakakwana, uye chiitiko munhu vakurumidze yokuberekwa pashure pemavhiki 23 pane nani mukana yokupona mune yevanorwara zvikuru. Rinotanga kuti anzwa mwana wacho kurova kwehana, kana ukaisa nzeve yako mudumbu pamuviri.

26-30 mavhiki. Muviri budiriro vhiki nevhiki munguva iyi zvikuru kushingaira. Saka, unomwa dzepanguva aumbwa, pangava wokutanga bvudzi romusoro wake uye eyelashes, nzara kukura.

31-35 mavhiki. Leather mbudzana kunova mukobvu. Panguva takamuka, ataura meso ake uye avhara pakurara. Vachishingaira kutanga uropi, nhamba convolutions kunowedzera. Mapapu zvakazara kuumbwa, anovandudza rwakabata dzepanguva.

36-40 mavhiki. Nguva yokumirira uye nokugadzirira aberekwa. Kubva ichi pfungwa iri, tinogona kutarisira kurwa vokutanga - Precursors. Dumbu anodonhedza, kuti cervix shortens. The muviri anogadzirira yokusununguka. Panguva iyi, kuburikidza vhiki pakukura embryo rapera. Kid anofa pasi, kukuvadza zvishoma nemhaka kuchikosha saizi rova mikoko. Memasvondo 38 mwana anonzi renguva izwi.