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Video: Dab tsi yog embryonic nqaij ua ntej cov cell hu ua?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Pob txha nqaij yog muab los ntawm precursor cells hu ua myoblasts uas tau kawm ntau ntxiv hauv cov nqaij nqaij kab lis kev cai ntau xyoo (Konigsberg, 1963). Myoblasts tau txais los ntawm cev xeeb tub replicate clonally hauv kab lis kev cai thiab thaum cov nyiaj ntawm kev loj hlob hauv cov xov xwm raug txo lawv sib txawv.
Hauv txoj kev no, dab tsi yog lub xov tooj ntawm tes ua ntej?
Precursor ntawm tes . Hauv cytology, a precursor ntawm tes , tseem hu ua tawg ntawm tes lossis yooj yim tawg, yog ib hom kev sib txawv ib feem, feem ntau tsis muaj zog ntawm tes uas tau poob ntau lossis tag nrho cov qia ntawm tes multipotency. Feem ntau a precursor ntawm tes yog qob ntawm tes uas muaj lub peev xwm los sib txawv ua ib qho xwb ntawm tes hom.
nyob qhov twg ua ntej cov cell nyob? Cov precursor hlwb yog nyob nrog rau txheej txheej sab hauv hlwb khij lub raj neural hauv ib cheeb tsam hu ua periventricular zone. Cov no hlwb tau faib sai thiab tuaj yeem tsim ib qho qia tshiab hlwb lossis neuroblasts, uas muaj peev xwm los tsim ib qho ntawm ntau hom neurons lossis astrocytes thiab oligodendrocytes.
myeloid precursor cells yog dab tsi?
Myeloid tus xeeb ntxwv hlwb yog cov ua ntej ntawm cov ntshav liab hlwb , platelets, granulocytes (polymorphonuclear leukocytes [PMNs]: neutrophils, eosinophils, thiab basophils), monocyte-macrophages, dendritic hlwb (DCs), thiab mast hlwb thiab osteoclasts.
Dab tsi yog qhov ua ntej ntawm tes rau txhua hom qe ntshav?
Cov precursor ntawm tes ntawm tag nrho cov qe ntshav yog lub qia ntawm tes thiab cov ntaub so ntswg hemopoietic yog pob txha liab thiab pom lossis nyob hauv cov pob txha tiaj lossis cov pob txha tsis xwm yeem.
Pom zoo:
Dab tsi yog cov qog nqaij hlav phem tshwm sim los ntawm cov nqaij sib txuas ua ke hu ua?
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Cov qog nqaij hlav tsis zoo raug cais ua 'sarcomas.' Cov qog nqaij hlav no xav tias tshwm sim los ntawm 'cov ntaub so ntswg sib txuas' uas tsis yog pob txha, xws li cov leeg, leeg, ligament, rog, thiab pob txha mos. Lawv tsawg tsawg
Puas yog qog nqaij hlav ntawm cov hlab ntsha embryonic?
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Qhov no yog hais txog cov qog nqaij hlav hauv cheeb tsam uas tsis tau nkag mus rau cov txheej txheem nyob ib sab. A (n) _______oma yog qog nqaij hlav qog nqaij hlav tau los ntawm cov leeg nqaij hauv cov leeg. Adeno______ yog qog nqaij hlav cancer uas tshwm sim los ntawm cov qog qog. Neo_____ txhais tau hais tias kev loj hlob tshiab thiab hais txog ob lub qog benign lossis malignant
Dab tsi yog txheej txheem uas cov cell yooj yim dhau los ua cov cell tshwj xeeb?
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Cell sib txawv yog li cas generic embryonic hlwb ua cov hlwb tshwj xeeb. Qhov no tshwm sim los ntawm cov txheej txheem hu ua noob qhia. Kev qhia cov noob yog kev sib xyaw tshwj xeeb ntawm cov noob uas tau qhib lossis tawm (qhia lossis thawb), thiab qhov no yog qhov qhia tias lub xov tooj ntawm tes ua haujlwm li cas
Dab tsi yog cov txheej txheem uas tsim ntau cov cell los ntawm ib lub cell?
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Lub cell tau txais ib hom kev faib cell hu ua mitosis. Hauv mitosis, ob lub hlwb hu ua tus ntxhais cell raug tsim, txhua qhov zoo ib yam rau niam txiv cell
Dab tsi yog qhov txawv ntawm embryonic thiab non embryonic qia hlwb?
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Embryonic qia hlwb tau txais los ntawm 5- txog 12-hnub qub embryos. Conversely, tsis yog embryonic qia hlwb muaj nyob rau hauv ntau ntau nyob rau hauv placenta, umbilical cord ntshav, amniotic kua, thiab tseem ceeb tag nrho cov neeg laus lub cev los yog cov ntaub so ntswg, nrog rau cov pob txha, rog, raum, siab, pancreas, hnyuv, mis, ntsws, thiab lwm yam