![Z kab ntawv nyob qhov twg? Z kab ntawv nyob qhov twg?](https://i.answers-medical.com/preview/medical-health/13955017-where-is-z-line-present-j.webp)
Video: Z kab ntawv nyob qhov twg?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib qho kev sib cais kab , lub squamocolumnar (SC) junction los yog " Z - kab ", Sawv cev rau qhov kev sib txuas ntawm txoj hlab pas ib txwm nyob qhov twg cov qog ua kua ntawm txoj hlab pas thiab cov kab noj hniav ntawm lub plab sib ntsib (Daim duab 2).
Tom qab ntawd, ib tus tuaj yeem nug, Z kab hauv cov leeg yog dab tsi?
Ib qho sarcomere txhais tau tias yog ntu ntawm ob tus neeg nyob sib ze Z - kab (los yog Z -discs, lub Z cev). Hauv electron micrographs ntawm cross-striated cov leeg , cov Z - kab (los ntawm German "Zwischenscheibe", disc nyob rau hauv nruab nrab ntawm lub I bands) tshwm raws li ib tug series ntawm tsaus nti. kab . Lawv ua lub luag haujlwm tseem ceeb ntawm cov yeeb yaj kiab actin.
Ntxiv mus, Z kab yog dab tsi thiab nws ua haujlwm li cas? Tus Z - kab txhais cov ib sab ciam teb ntawm cov sarcomere thiab anchores nyias, titin thiab nebulin filaments. Vim tias cov khoom no anchoring, Z - kab yog lub luag haujlwm rau kev xa tawm quab yuam, tsim los ntawm cov actin-myosin hla tus choj hla kev.
Kuj nug, Z kab ua los ntawm dab tsi?
Z - Kab . Tus qauv qhia yog tus Z -tsis/ Z - kab tsim ntawm sarcomeres nyob ib sab. Ib tus sarcomere yog lub npe muab rau cov hauv paus ntawm cov leeg, muaj li ntawm zawv zawg protein filaments ntawm actin thiab myosin. Myosin filaments yog tuab, actin filaments yog nyias.
Z kab sawv rau dab tsi?
Z - kab tuaj yeem xa mus rau: cov ciam teb uas sib cais thiab txuas sarcomeres hauv cov leeg pob txha. txwv tsis pub tus neeg siv tus IP chaw nyob rau lub hom phiaj ntawm kev thaiv lawv txoj kev nkag mus rau Internet Relay Chat. Saib Z - kab . lub plab zom mov sib txuas uas koom nrog txoj hlab pas mus rau lub plab.
Pom zoo:
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Dr. John M. Harris tau pib lub ntiaj teb thawj lub tsev kho hniav hauv Bainbridge, Ohio, thiab tau pab tsim kho hniav raws li kev noj qab haus huv. Nws qhib rau 21 Lub Ob Hlis 1828, thiab niaj hnub no yog tsev khaws puav pheej kho hniav. Thawj lub tsev kawm kho hniav, Baltimore College ntawm Kev Kho Hniav, tau qhib hauv Baltimore, Maryland, Asmeskas xyoo 1840
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Hauv tib neeg, HEVs tau pom nyob hauv txhua qhov nruab nrab lymphoid (tshwj tsis yog tus po, qhov twg cov ntshav tawm los ntawm cov hlab ntsha qhib thiab nkag mus rau cov nqaij liab), suav nrog ntau pua ntawm cov qog ntshav uas tau tawg hauv lub cev, tonsils thiab adenoids hauv pharynx, Peyer thaj ua rau thaj (PIs) nyob rau hauv txoj hnyuv me, daim ntawv ntxiv, thiab me me
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Lub koom haum ntawm Bergey Phau Ntawv Qhia ntawm Kab Mob Kab Mob ua rau nws ua tsis tau zoo los pab tso cov kab mob tsis paub mus rau hauv cov se loj, tab sis nws muaj cov ncauj lus kom ntxaws txog tsev neeg, tsev neeg, thiab hom tsiaj thiab tseem nyob deb dua hnub no dua li Phau Ntawv Txiav Txim Siab
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Lub plab feem ntau yog nyob rau sab laug sab saud sab hauv qab lub diaphragm thiab txuas nrog zoo dua rau txoj hlab pas thiab nyob deb rau duodenum
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Jejunum yog ib nrab ntawm txoj hnyuv me, nruab nrab ntawm duodenum thiab ileum. Feem ntau digestion thiab assorption nyob rau hauv lub jejunum