Nyob rau xyoo tas los no, lub zog hnub ci tau dhau los ua lub zog tshiab uas nrov zuj zus thiab siv tau zoo. Raws li thev naus laus zis txuas ntxiv mus, qhov ua tau zoo thiab lub zog ntawm cov vaj huam sib luag hnub ci tau zoo dua qub. Ib qho ntawm cov kev tsim kho tshiab tshaj plaws hauv thev naus laus zis vaj huam sib luag hnub ci yog kev tsim cov vaj huam sib luag hnub ci ib nrab, uas tau pom tias zoo dua li cov vaj huam sib luag puv ntoob ib txwm muaj hauv kev tso zis hluav taws xob thiab kev ua haujlwm zoo.
Yog li ntawd, vim li cas cov vaj huam sib luag hnub ci ib nrab-cell muaj zog dua li cov vaj huam sib luag hnub ci puv-cell? Txhawm rau teb cov lus nug no, nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv ntawm ob hom vaj huam sib luag thiab cov yam ntxwv uas cuam tshuam rau lawv cov zis hluav taws xob.
Cov vaj huam sib luag hnub ci ib nrab-cell yog ua los ntawm kev siv cov cell hnub ci me me uas txiav ua ob nrab, ua rau muaj ntau lub cell hauv vaj huam sib luag. Piv rau qhov ntawd, cov vaj huam sib luag hnub ci puv-cell yog ua los ntawm kev siv cov cell hnub ci loj dua, puv-loj. Qhov zoo tshaj plaws ntawm cov vaj huam sib luag ib nrab-cell yog lub peev xwm los txo qhov kev poob zog vim yog kev tiv thaiv sab hauv thiab kev ntxoov ntxoo, thaum kawg ua tiav cov zis hluav taws xob ntau dua.
Ib qho laj thawj tseem ceeb uas ua rau cov vaj huam sib luag hnub ci ib nrab-cell zoo dua li cov vaj huam sib luag puv-cell yog tias lawv tiv taus kev poob hluav taws xob ntau dua. Thaum lub hnub ci ntaus lub vaj huam sib luag hnub ci, hluav taws xob raug tsim tawm, uas tom qab ntawd sau thiab hloov mus ua hluav taws xob siv tau. Txawm li cas los xij, thaum hluav taws xob ntws los ntawm cov vaj huam sib luag thiab sib txuas hauv cov vaj huam sib luag, nws ntsib kev tiv thaiv, uas tuaj yeem ua rau poob hluav taws xob. Los ntawm kev siv cov cell me dua hauv vaj huam sib luag ib nrab-cell, hluav taws xob yuav tsum taug kev luv dua, txo qhov kev tiv thaiv tag nrho thiab txo qhov kev poob hluav taws xob.
Tsis tas li ntawd xwb, cov vaj huam sib luag ib nrab-cell tiv taus kev ntxoov ntxoo ntau dua, uas tuaj yeem cuam tshuam rau lub zog tso zis ntawm lub vaj huam sib luag hnub ci. Qhov cuam tshuam ntawm lub qhov rooj tshwm sim thaum ib feem ntawm lub vaj huam sib luag hnub ci raug ntxoov ntxoo, txo qhov tso zis hluav taws xob tag nrho ntawm lub vaj huam sib luag. Nrog cov vaj huam sib luag ib nrab-cell, cov cell me me raug cuam tshuam tsawg dua los ntawm cov duab ntxoov ntxoo, tso cai rau cov vaj huam sib luag kom tswj tau lub zog tso zis siab txawm tias nyob hauv qhov ntxoov ntxoo ib nrab.
Tsis tas li ntawd xwb, tus qauv vaj huam sib luag ib nrab-cell ua rau cov cua sov tawm zoo dua, uas kuj pab ua kom lub zog tso zis ntau dua. Thaum cov vaj huam sib luag hnub ci kub, lawv qhov kev ua haujlwm txo qis, ua rau lub zog tso zis tsawg dua. Cov cell me me hauv vaj huam sib luag ib nrab-cell tso cua sov tawm zoo dua, pab tswj kev ua haujlwm zoo dua thiab lub zog tso zis, tshwj xeeb tshaj yog nyob rau hauv huab cua kub lossis thaum lub sijhawm hnub ci siab tshaj plaws.
Ntxiv rau lawv cov txiaj ntsig kev siv tshuab, cov vaj huam sib luag hnub ci ib nrab-cell kuj muaj cov txiaj ntsig zoo. Lawv lub cell me dua thiab qhov tsis kam qis dua ua rau lawv ruaj khov dua thiab tsis tshua muaj kev tawg me me uas tshwm sim hauv cov vaj huam sib luag puv-cell. Qhov kev ruaj khov ntxiv no tuaj yeem ua rau lub neej ntawm cov vaj huam sib luag ntev dua thiab ua rau lub zog tsim hluav taws xob ntawm cov vaj huam sib luag ntau dua.
Cov vaj huam sib luag hnub ci ib nrab-cell muaj zog dua li cov vaj huam sib luag hnub ci puv-cell vim tias lawv txo qhov poob zog, txhim kho kev tiv thaiv ntxoov ntxoo, txhim kho kev tso cua sov, thiab ua kom ruaj khov. Raws li qhov kev thov rau cov kev daws teeb meem hnub ci zoo dua thiab pheej yig dua txuas ntxiv mus, kev txhim kho thiab kev siv dav dav ntawm cov vaj huam sib luag ib nrab-cell sawv cev rau kev nce qib tseem ceeb hauv kev siv tshuab vaj huam sib luag hnub ci. Muaj peev xwm ua kom muaj zog ntau tshaj plaws thiab ua haujlwm tau zoo, cov vaj huam sib luag hnub ci ib nrab-cell yuav ua lub luag haujlwm tseem ceeb hauv kev hloov mus rau lub zog ruaj khov thiab rov ua dua tshiab yav tom ntej.
Lub sijhawm tshaj tawm: Lub Yim Hli-02-2024