Lub coelomic nyob qhov twg?

Cov txheej txheem:

Lub coelomic nyob qhov twg?
Lub coelomic nyob qhov twg?

Video: Lub coelomic nyob qhov twg?

Video: Lub coelomic nyob qhov twg?
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Anonim

Cov coelom (los yog celom) yog lub cev lub cev kab noj hniav nyob rau hauv feem ntau cov tsiaj thiab yog nyob rau hauv lub cev mus ncigthiab muaj cov hnyuv thiab lwm yam kabmob. Hauv qee cov tsiaj, nws yog kab nrog mesothelium. Hauv lwm cov tsiaj, xws li molluscs, nws tseem tsis txawv.

Cov kab noj hniav coelomic nyob qhov twg?

Cov coelom yog lub cev kab noj hniav uas muaj cov kua dej uas muaj nyob hauv cov tsiaj thiab nyob nruab nrab ntawm txoj hnyuv thiab lub cev phab ntsa Nws tsim los ntawm peb txheej kab mob thaum lub sij hawm embryonic kev loj hlob. Sab hauv txheej ntawm coelom yog lined los ntawm mesodermal epithelium hlwb.

Cov kab noj hniav coelomic yog dab tsi?

Cov kab noj hniav coelomic lossis coelom yog qhov chaw kaw los ntawm mesoderm qhov twg cov kabmob sab hauv raug tshem tawm … Cov kab mob hauv lub coelom tuaj yeem txav mus los, loj hlob thiab txhim kho ntawm nws tus kheej ntawm lub cev phab ntsa thaum lub coelomic kua cushions thiab tiv thaiv lawv los ntawm cov neeg kho tshuab shocks.

Cov tsiaj twg muaj Coeloms?

Lawv yog cov coelomates tiag tiag uas lub cev kab noj hniav pib los ntawm kev sib cais ntawm cov ntaub so ntswg mesodermal thaum lub sij hawm gastrulation. Txoj kev tsim coelom no hu ua schizocoelous (Gr. schizo=phua), thiab tshwm sim hauv cov tsiaj xws li annelids, arthropods thiab mollusks.

coelom yog dab tsi thiab nws txoj haujlwm?

Ib coelom yog ib qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. lub coelom ua raws li lub cev pob txha. Lub coelom tseem tso cai rau cov kabmob hauv nruab nrog cev txav mus thiab loj hlob ntawm nws tus kheej ntawm txheej txheej ntawm lub cev phab ntsa.

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