Me nyuam me hauv plab thaum lub plab 10 hli
Lub embryo ntawm 10 lub lim tiam ntawm cev xeeb tub yog nquag nce, nyhav tsuas yog 7 grams, thiab nws cov coccygeal parietal loj, uas yog ntsuas los ntawm cov yas mus rau coccyx, nyob rau theem no yog 4.7-5 cm Cov tawv nqaij embryo tseem yog pob tshab thiab hauv qab nws yuav distinguished hlab ntsha. Lub lim tiam no tus kabmob no tseem muaj lub taubhau loj thiab lub tsho. Txawm hais tias tus me nyuam tseem tseem me me, tab sis nws twb tau ntseeg tau mus rau hauv lub uterine kab noj hniav, thiab repels ntawm nws cov phab ntsa. Tab sis lub sij hawm no tus poj niam cev xeeb tub tsis xav tias cov kev xav tau no.
Kev loj hlob ntawm ib tus menyuam hauv 10 lub lim tiam ntawm cev xeeb tub
Lub lim tiam ntawm cev xeeb tub, tag nrho cov hauv nruab nrog cev tau ua suab. Twb hauv lub luj tsho, cov ntiv tes taw, cov taw tau ua tiav lawv cov tsim thiab cov hnub uas twb tau ploj lawm, tam sim no lawv yuav loj hlob thiab loj hlob. Lub diaphragm tau tshwm sim, vim qhov no yog cov kab noj hniav sib cais tawm ntawm cov kab mob plab. Lub plawv tseem tsim kom muaj thiab koom tes ua haujlwm rau nws tus kheej, tseem ua haujlwm tseem ceeb. Thiab kuj lub hlwb ceev cov ntaub ntawv thiab kev tsim, tsheej lab ntawm cov leeg neurons raug tsim. Niam nyob rau hauv lub sijhawm no yog ntshaw kom muaj kev thajyeeb, tsis txhob ua haujlwm dhau los, - tag nrho qhov no yog qhov tsim nyog rau kev tsim ntawm qhov kev ua siab phem ntawm tus menyuam.
Thaum 10 lub lim piam ntawm cev xeeb tub, tus me nyuam twb tau tsim daim di ncauj lawm. Twb tau, pib ntawm cov kev cai ntawm tus me nyuam cov hniav pib, yog li yav tom ntej niam yuav tsum tau noj calcium uas muaj cov khoom noj.
Pib lawv cov sab nrauv genitalia. Nyob rau ultrasound nws tseem tsis paub qhov txawv ntawm tus poj niam txiv neej - lawv saib zoo li qub. Dua li no, yog hais tias tus me nyuam yog ib tug me nyuam, nws cov noob qes pib tab tom tsim ib tug txiv neej hormone, thiab zes qe menyuam ntawm cov ntxhais hauv cov hauv paus.
Twb tag nrho txoj kev loj hlob ntawm txoj hnyuv, qhov quav, kab mob hauv lub cev, tab sis lub siab lub sij hawm no tseem tab tom xyaum. Lymphatic thiab lub cev tiv thaiv kab mob tseem tuaj yeem tsim. Tus menyuam lub raum pib ua zis, uas txuam nrog lub zais zis thiab tawm mus rau hauv amniotic kua.
Ntawm lub fetus ntawm lub hnub nyoog ntawm 10 lub lis piam muaj kev tawm dag zog, qhov no qhia tias lub hlwb twb tau txuas nrog lub paj hlwb kawg. Nyob rau theem no ntawm txoj kev loj hlob, lub crumb nrog Library tsim tactile ncus, nws lub cev yog rhiab heev. Tus me nyuam kov cov phab ntsa ntawm lub plab zom zaws, nws lub cev, lub caj dab umbilical, li no nws twb qhia txog nws txoj kev xav paub. Qhov no me ntsis txiv neej yog heev active, yuav nqos thiab nto tawm kua, rub tawm sponges, thiab txawm curl.
Lub fetus hauv 10 lub lim piam ntawm cev xeeb tub twb muaj nws cov ntshav pawg, tab sis nws tseem tsis yooj yim los txiav txim nws. Tseem ceeb heev cov ntaub ntawv tam sim no yog tias yog tias lub embryo tsis muaj deviations los ntawm noob caj noob ces, ces nws cov kev loj hlob ntxiv yog tsis dhau hawv.
Yog tias vim li cas koj yuav tsum ua ultrasound ntawm 10 lub lim piam ntawm cev xeeb tub - koj yuav muaj ib qho txuj ci tseem ceeb. Tam sim no ib qho embryo qhov loj me me ntawm lub cev, tab sis ultrasound tuaj yeem pom qhov muag ntawm lub cev, koj tuaj yeem pom me me quav, ceg, pob taws. Yog hais tias lub sijhawm no tus me nyuam yuav tsaug zog, tej zaum nws tseem pom tias nws ua li cas nrog nws tus cwj mem, tsiv nws ob txhais ceg thiab khoov rau lawv. Thiab los ntawm qhov kawg ntawm lub lim piam 10 ntawm cev xeeb tub, lub embryo yog teb pib ua cov txiv!