Puas muaj pes tsawg celled theem yog tib neeg morula?

Cov txheej txheem:

Puas muaj pes tsawg celled theem yog tib neeg morula?
Puas muaj pes tsawg celled theem yog tib neeg morula?

Video: Puas muaj pes tsawg celled theem yog tib neeg morula?

Video: Puas muaj pes tsawg celled theem yog tib neeg morula?
Video: Nco Txog Hmoob - Xf. Txawj Pes Vaj & Fishermen's Project (Live Session) [Lyric Video] 2024, Hlis ntuj nqeg
Anonim

Eight-cell theem. d,ua e. Morula theem. Ib morula (Latin, morus: mulberry) yog ib qho embryo thaum ntxov uas muaj 16 lub hlwb (hu ua blastomeres) nyob rau hauv ib lub pob khoom uas muaj nyob rau hauv lub zona pellucida.

Puas yog morula ib 8-cell?

Thaum yim-cell theem hauv nas thiab yim-rau 16-cell theem hauv tib neeg, lub embryo tau dhau los ua cov txheej txheem hu ua compaction los ua ib tug morula, ib tug compact du spherical qauv (Daim duab 13-1D). Tag nrho cov blastomeres flatten, ua kom lawv cov neeg sib cuag, thiab ua polarized.

Muaj pes tsawg lub hlwb puas muaj tib neeg morula?

Tom qab 30 teev lossis li ntawd, nws faib los ntawm ib lub xov tooj mus rau ob. Qee lub sij hawm 15 teev tom qab, ob lub hlwb faib ua plaub. Thiab thaum kawg ntawm 3 hnub, lub qe qe fertilized tau dhau los ua cov qauv zoo li cov txiv hmab txiv ntoo ua los ntawm 16 hlwb Cov qauv no hu ua morula, uas yog Latin rau mulberry.

Yuav ua li cas muaj celled theem yog tib neeg morula Class 12?

Nws muaj 16-32 celled theem. Nws tseem hu ua morula theem 2. Lub embryoblast thiab trophoblast tau tsim nyob rau theem no. Li no, lo lus teb raug yog kev xaiv (A).

Yog morula a 32 cell?

Moula. Lub zygote mus txog rau theem morula thaum nws muaj nruab nrab ntawm 16 thiab 32 hlwbLub sij hawm morula txhais tau hais tias mulberry, uas yog dab tsi cell loj zoo li. … Cov hlwb ntawm lub morula tau muab cais ua ib lub cell loj thiab ib sab cell loj thiab nws thiaj li yuav hollow los ua tus blastocyst.

Pom zoo: