Cov txheej txheem:
- kauj ruam tom ntej tom qab zygote yog dab tsi?
- Yuav ua li cas tom qab gastrulation?
- Puas Blastulation tshwm sim ua ntej implantation?
- Yuav ua li cas yog qhov kev loj hlob theem tom ntej tom qab morula?
Video: Yuav ua li cas tom qab blastulation?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Tom qab lub blastula tsim, nws hloov mus rau gastrula (q.v.), txheej txheem hu ua gastrulation. Nyob rau hauv cov kab mob xws li tsiaj txhu, morula ua ntej (q.v.), ib pawg berry zoo li cov hlwb, txhim kho rau hauv ib qho txawv me ntsis ntawm blastula, blastocyst (q.v.).
kauj ruam tom ntej tom qab zygote yog dab tsi?
Lub Limtiam 3 pib nrog kev tso qe, lossis ovulation. Yog hais tias lub qe yog fertilized los ntawm cov phev cell, nws yog hu ua zygote. Lub zygote faib thiab dhau los ua ib pawg ntawm cov hlwb hu ua blastocyst. Nyob rau lub lim tiam 4 ntawm cev xeeb tub, blastocyst implants nyob rau hauv lub phab ntsa ntawm lub tsev menyuam thiab loj hlob mus rau hauv lub placenta thiab embryo
Yuav ua li cas tom qab gastrulation?
Ua raws li kev noj zaub mov, kev txhim kho loj tom ntej hauv embryo yog neurulation, uas tshwm sim thaum lub lis piam peb thiab plaub tom qab fertilization. Qhov no yog ib txoj hauv kev uas lub embryo tsim cov qauv uas nws thiaj li dhau los ua lub paj hlwb.
Puas Blastulation tshwm sim ua ntej implantation?
The blastula sheds its zona pellucida.
Qhov no yuav tsum tau cog kom tshwm sim. Ib txoj haujlwm ntawm zona pellucida yog los tiv thaiv kev cog qoob loo ntxov ntxov.
Yuav ua li cas yog qhov kev loj hlob theem tom ntej tom qab morula?
Ib morula, yog tias tsis tau kov thiab tso cai rau cog, nws thiaj li yuav loj hlob mus rau a blastocyst. Lub morula yog tsim los ntawm ib tug series ntawm cleavage divisions ntawm lub embryo thaum ntxov, pib nrog ib leeg-celled zygote (cytula).
Pom zoo:
Puas qhov muag yuav rov qab los tom qab mob stroke?
Ntau tus neeg uas tsis pom kev tom qab mob stroke yuav tsis zoo tag nrho lawv qhov pom kev. Qee qhov kev rov zoo tuaj yeem ua tau, feem ntau yog thawj ob peb lub hlis tom qab mob stroke. Cov tsom iav lossis cov tsom iav feem ntau yuav tsis pab tsis pom kev vim mob stroke .
Kuv tus dev puas yuav hnov qab kuv tom qab ib lim piam?
Nyob hauv kuv qhov kev paub, cov lus teb luv luv: YES! Koj tus dev yuav nco ntsoov koj. Raws li kuv tau hais ua ntej tom qab yug menyuam dev rau 12-18 lub hlis, cov menyuam dev yuav tsum tau rov qab lawv cov menyuam dev mus kawm ntawv rau kev cob qhia.
Pob ntseg puas yuav thim rov qab tom qab ntsuas?
Yog koj ncab koj pob ntseg ib xyoos dhau los lossis ob peb lub hlis dhau los, koj pob ntseg muaj peev xwm thim rov qab mus rau nws qhov loj duayog tias nws tau ncab thiab kho tau ntau xyoo . pob ntseg rov zoo li qub tom qab ntsuas? Cov neeg feem coob tuaj yeem mus ntawm 2g (6mm) - 00g (10mm) thiab cia siab tias lawv lub pob ntseg rov qab mus rau qhov qub tho, tom qab ob peb lub hlis kho.
Qhov twg yog tom qab lossis tom qab?
Qhov yooj yim tshaj plaws kom paub qhov txawv ntawm " afterward" thiab "tom qab" yog kom nco ntsoov tias "tom qab" suav nrog lo lus "lus." Yog li lo lus "tom qab" yog lo lus kawg los ntawm tus sau.
Puas yuav ntsia hlau rov qab rau hauv txaj tom qab tom?
Koj ntiv tes tsis tuaj yeem rov zoo li qub Ntxoov koj cov rau tes kom deb dhau tsis yog qhov phem uas kav ob peb hnub xwb, nws tuaj yeem ua rau muaj kev puas tsuaj mus tas li. Onycholysis, kev sib cais ntawm cov ntiv tes los ntawm nws cov ntsia thawv txaj, yog ib qho kev mob ntawm cov ntsia hlau ntsia thawv teeb meem Ib tus ntsia thawv kab mob los yog onychosis yog kab mob lossis deformity ntawm tus ntsia thawv Txawm tias tus ntsia thawv yog ib qho qauv tsim los ntawm daim ta
