![Puas yog cov hlab ntsha puas muaj cov ntaub so ntswg? Puas yog cov hlab ntsha puas muaj cov ntaub so ntswg?](https://i.answers-medical.com/preview/medical-health/13895786-do-capillaries-have-elastic-tissue-j.webp)
Video: Puas yog cov hlab ntsha puas muaj cov ntaub so ntswg?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A cov hlab ntsha yog cov hlab ntsha. Nws ua tsis muaj cov leeg/ cov ntaub so ntswg ntawm lwm cov hlab ntsha. Nws muaj ib phab ntsa celled los pab cov tshuaj raug thauj los ntawm cov kab mob. Capillaries yog me me, thiab me dua li lwm cov hlab ntsha.
Raws li txoj cai, cov hlab ntsha puas muaj cov ntaub so ntswg?
Tunica intima txawv ntawm txheej sab hauv ntawm cov hlab ntshav: ntau leeg tshwj xeeb hauv caj npab thiab txhais ceg, muaj li qub los tiv thaiv cov ntshav ntws rov qab, thiab ywj membrane sab hauv cov leeg ntshav tsis nyob hauv cov leeg , uas muaj feem ntau ntawm endothelium thiab tsis txuas cov ntaub so ntswg.
Tom qab ntawd, lo lus nug yog, cov hlab ntsha puas muaj cov fibre elastic? Lub tunica intima yog nyob ib puag ncig los ntawm daim nyias nyias ua los ntawm ywj fibers khiav mus rau lub nkoj. Capillaries suav nrog tsuas yog cov txheej txheej endothelial nyias ntawm cov cell nrog cov txheej nyias nyias ntawm cov nqaij sib txuas.
Hauv qhov no, cov hlab ntsha puas muaj cov ntaub so ntswg?
Arterioles muaj ib sab hauv ywj lamina thiab ib lossis ob txheej ntawm cov leeg nqaij zoo. Tsis muaj sab nraud ywj lamina, thiab lub adventitia muaj ib txheej nyias nyias ntawm collagen thiab cais tawm ywj fibers.
Vim li cas lub aorta feem ntau muaj cov ntaub so ntswg?
Elastic cov hlab ntsha yog cov uas nyob ze lub plawv ( aorta cov thiab cov hlab ntsws) muaj ntau ntxiv cov ntaub so ntswg hauv tunica media tshaj li cov leeg leeg. Qhov no feature ntawm ywj cov hlab ntsha tso cai rau lawv kom tswj tau qhov sib zog ua haujlwm nrawm txawm hais tias ua haujlwm tas li ntawm lub plawv.
Pom zoo:
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Cov hlab ntsha nqa ntshav tawm ntawm lub plawv; Lub ntsiab hlab ntsha yog aorta. Capillaries nqa ntshav tawm ntawm lub cev thiab pauv cov as-ham, pov tseg, thiab oxygen nrog cov ntaub so ntswg ntawm qib cellular. Cov leeg ntshav yog cov hlab ntshav uas coj cov ntshav rov qab los rau hauv lub plawv thiab tso ntshav tawm ntawm cov kabmob thiab cov ceg
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Cov leeg yuav tsum tau li qub kom cov ntshav ntws mus rau lub plawv. Theses li qub yog qhov tshwj xeeb hauv ob txhais ceg thiab caj npab. Lawv tawm tsam lub ntiajteb txawj nqus los tiv thaiv cov ntshav rov qab los. Cov hlab ntsha tsis xav tau li qub vim tias lub siab los ntawm lub plawv ua kom cov ntshav ntws los ntawm lawv mus rau ib qho
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Cov hlab ntsha tau pom tias yog nqa cov ntshav oxygenated mus rau cov ntaub so ntswg, thaum cov leeg nqa cov ntshav deoxygenated rov qab mus rau lub plawv. Txawm li cas los xij, hauv txoj hlab ntsws, cov hlab ntsha nqa cov ntshav deoxygenated los ntawm lub plawv mus rau lub ntsws, thiab cov hlab ntshav rov qab ntshav los ntawm lub ntsws mus rau lub plawv
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Cov ntaub so ntswg yog ib pawg ntawm cov cell uas muaj cov duab zoo sib xws thiab ua haujlwm. Cov ntaub so ntswg sib txawv tuaj yeem pom hauv cov kabmob sib txawv. Hauv tib neeg, muaj plaub yam tseem ceeb ntawm cov ntaub so ntswg: epithelial, txuas, leeg, thiab leeg nqaij. Tej zaum yuav muaj ntau cov ntaub so ntswg hauv txhua qhov ntawm cov ntaub so ntswg