Me nyuam sab
Lub embryo ntsuas 0,2 millimeters. Nws yog tam sim no zoo tsim nyob rau hauv lub uterine kab noj hniav.
Nws txoj kev loj hlob ntawm 2 lub lis piam ntawm cev xeeb tub
Thaum kaum tsib hnub, lub blastocyte, ib lub xov tooj ntawm tes los ntawm ib qho ntawm thawj zaug ntawm lub qe fertilized, muab faib ua peb txheej. Cov txheej txheem sab hauv (endoderm) yuav hloov zuj zus mus rau hauv lub ntsws, daim siab, plab hnyuv thiab txiav. Cov txheej txheem nruab nrab, mesoderm, yog npaj los hloov mus rau hauv cov pob txha, cov leeg, ob lub raum, cov hlab ntsha thiab lub plawv. Thaum kawg, txheej txheej txheej (ectoderm) yuav dhau los ua lub paj hlwb, cov hniav thiab tawv nqaij.
Ntawm peb sab
Nyob rau theem no, yog peb kuaj cev xeeb tub, nws yuav zoo. Peb lub cev xeeb tub tam sim no tau lees paub. Txij no mus, peb yuav tsum saib xyuas peb tus kheej thiab tus me nyuam uas loj hlob hauv peb. Koj tuaj yeem ntsib qee cov tsos mob thaum cev xeeb tub. Tam sim no peb tab tom coj txoj kev noj qab haus huv. Peb teem sijhawm nrog peb tus kws kho mob rau kev sab laj kev xeeb tub thaum ntxov. Nyob rau lub sijhawm no, peb yuav tau txais xya qhov kev mus ntsib ua ntej yug menyuam, tag nrho cov nyiaj them rov qab los ntawm Social Security. Peb ultrasounds kuj tseem yuav txiav txim siab rau cuaj lub hlis no, nyob ib ncig ntawm 12th, 22nd thiab 32nd lub lis piam. Ntau yam kev tshuaj ntsuam kuj yuav muab rau peb. Yog tias peb tseem muaj kev txhawj xeeb, peb tuaj tos peb lub xov tooj thiab teem caij nrog peb tus kws kho mob, kws kho hniav lossis tus kws yug menyuam (thaum pib cev xeeb tub, yog!) Tus kws kho mob yuav tuaj yeem lees paub peb thiab piav qhia rau peb txog qhov kev hloov pauv loj uas peb. yuav mus ntsib.
Peb cov lus qhia: lub sijhawm cev xeeb tub no yog qhov rhiab tshaj plaws. Qee cov molecules muaj tshuaj lom, tshwj xeeb yog cov luam yeeb, cawv, cannabis, cov kuab tshuaj, cov xim thiab cov nplaum ... Yog li peb tshem tawm cov cawv thiab luam yeeb tag nrho yog tias peb ua tau (thiab yog tias peb ua tsis tiav, peb hu rau ntawm Tabac Info service!).
Koj cov kauj ruam
Tam sim no peb muaj peev xwm xav txog peb txoj kev npaj yug me nyuam thiab hu mus rau ib lub tsev kho mob me me los sau npe thiab yog li khaws peb qhov chaw. Tej zaum nws yuav zoo li ntxov me ntsis, tab sis hauv cov nroog loj (tshwj xeeb hauv Paris), qee zaum koj yuav tsum ua sai sai vim tias koj pheej hmoo tsis yug qhov koj xav tau. Yog li coj tus thawj coj!