Z kab ntawv nyob qhov twg?
Z kab ntawv nyob qhov twg?

Video: Z kab ntawv nyob qhov twg?

Video: Z kab ntawv nyob qhov twg?
Video: Maiv xis xyooj NRAUG HMOOB KOJ TUAJ QHOV TWG TUAJ (Official MV 4k + Karaoke Nkauj tawm tshiab 2022) 2024, Lub rau hli ntuj
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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.

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