![Cov phab ntsa ntawm cov hlab ntshav tuab npaum li cas? Cov phab ntsa ntawm cov hlab ntshav tuab npaum li cas?](https://i.answers-medical.com/preview/medical-health/13874343-how-thick-are-the-walls-of-capillaries-j.webp)
Video: Cov phab ntsa ntawm cov hlab ntshav tuab npaum li cas?
![Video: Cov phab ntsa ntawm cov hlab ntshav tuab npaum li cas? Video: Cov phab ntsa ntawm cov hlab ntshav tuab npaum li cas?](https://i.ytimg.com/vi/PFOX3PlkBvM/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A cov hlab ntsha yog cov hlab ntshav me me los ntawm 5 txog 10 micrometres (Μm) hauv txoj kab uas hla, thiab muaj a phab ntsa ib qho endothelial cell tuab . Lawv yog cov hlab ntshav me tshaj plaws hauv lub cev: lawv xa cov ntshav nruab nrab ntawm cov hlab ntsha thiab cov hlab ntshav.
Ib yam nkaus, muaj pes tsawg lub cell tuab yog cov phab ntsa capillary?
ib lub cev tuab
Qhov thib ob, puas capillaries muaj cov phab ntsa tuab dua li cov leeg? Arteries yuav tsum muaj cov phab ntsa tuab dua cov leeg vim lawv nqa ntshav siab ntau ntau. Capillaries kuj muaj ntshav siab, tab sis tsis zoo li cov hlab ntsha, phab ntsa capillary yog nyias Qhov no yog vim lawv qhov me me ua rau txo qis kev nruj kom zoo li ntawd phab ntsa tuab tsis tsim nyog
vim li cas cov phab ntsa ntawm cov hlab ntsha nyias nyias?
Ib leeg xwb cov hlab ntsha yog qhov me me uas nws tso cai tsuas yog ib lub cell ntshav ntws los ntawm nws ib lub sijhawm. Cov phab ntsa capillary kuj tseem me me, tsuas yog ib lub xovtooj tuab. Cov no phab ntsa nyias yooj yim tso dej, oxygen, carbon dioxide, thiab lwm yam khoom noj thiab cov khoom pov tseg los sib pauv ntawm cov qe ntshav thiab cov nqaij nyob ib puag ncig.
Cov phab ntsa ntawm cov hlab ntsha ua los ntawm dab tsi?
Capillary Muaj nuj nqi thiab Qauv Lawv phab ntsa yog nyias heev los tso cai rau cov tshuaj yooj yim thiab nthuav tawm sai, lossis dhau los ntawm lawv. Capillaries yog thinner ntau dua cov hlab ntsha thiab leeg, vim lawv phab ntsa yog ua nce ntawm tsuas yog ib txheej ntawm cov kab mob endothelial, cov tiaj tiaj cov kab uas kab txhua txoj hlab ntshav.
Pom zoo:
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Dab tsi ua rau tuab ntawm phab ntsa hauv plawv?
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Dab tsi yog qhov tseem ceeb ntawm qhov sib txawv ntawm tuab ntawm phab ntsa ntawm aorta thiab phab ntsa ntawm lub ntsws ntsws? Cov phab ntsa tuab ntawm aorta tso cai kom tiv taus siab dua ntawm cov ntshav tso tawm los ntawm lub ventricle
Dab tsi tso cov roj (cholesterol) hauv cov phab ntsa ntawm cov hlab ntsha?
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Yam Teeb Meem: Ntshav Qab Zib
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