Cov txheej txheem:
Video: Hauv ib qho ntawm cov kabmob hauv qab no koj yuav pom fenestrated capillaries?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Fenestrated capillaries
Cov no tau pom hauv qee cov ntaub so ntswg uas muaj kev sib pauv molecular nrog cov ntshav xws li txoj hnyuv me, cov qog endocrine thiab lub raum. Cov ' fenestrations ' yog pores tas yuav tso cai rau cov molecules loj dua. Cov capillaries no yog ntau permeable tshaj nruam cov hlab ntsha
Zoo sib xws, qhov twg hauv lub cev koj yuav pom fenestrated capillaries?
Fenestrated capillaries yog nyob qhov twg cov kua thiab cov tshuaj me me txav mus rau hauv thiab tawm ntawm cov ntshav, suav nrog cov qog endocrine, choroid plexus ntawm lub hlwb, thaj chaw nqus dej ntawm txoj hnyuv, thiab pom thaj chaw ntawm ob lub raum.
Kuj Paub, cov capillaries nyob qhov twg hauv lub cev? Capillaries muaj nyob hauv txhua lub square inch ntawm lub cev , los ntawm daim tawv nqaij mus rau cov ntaub so ntswg tob hauv cev kab noj hniav. Muaj nruab nrab ntawm 60, 000 txog 100, 000 mais ntawm cov hlab ntshav nthuav dav thoob plaws tib neeg lub cev , nyob ntawm qhov loj thiab qhov hnyav ntawm tus neeg, thiab feem ntau ntawm cov no yog cov hlab ntsha.
Tom qab ntawd, 3 hom capillaries pom nyob qhov twg?
Lawv kuj yog qhov chaw uas cov khoom noj muaj txiaj ntsig tau xa mus pub rau txhua lub cell ntawm lub cev. Muaj peb thawj hom capillaries , txuas ntxiv, fenestrated, thiab tsis tu ncua lossis sinusoidal uas yog pom nyob rau hauv txawv thaj tsam ntawm lub cev, thiab tshwj xeeb cov hlab ntsha hauv lub hlwb ua cov ntshav-hlwb teeb meem.
Lub luag haujlwm ntawm fenestrated capillaries yog dab tsi?
Fenestrated capillaries Lawv muaj cov pores me me, ntxiv rau qhov khoob me me ntawm cov cell, hauv lawv cov phab ntsa uas tso cai rau kev sib pauv ntawm cov molecules loj dua. Hom ntawm cov hlab ntsha tau pom nyob hauv thaj chaw uas xav tau kev sib pauv ntau ntawm koj cov ntshav thiab cov ntaub so ntswg.
Pom zoo:
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Yam tsib ntawm cov khoom hauv qab no uas koj yuav tsum tau saib thaum ntsuas cov tsos mob ntawm tus mob stroke?
5 Ceeb Toom Qhia Txog Kev Mob stroke Sudden loog lossis qaug zog ntawm lub ntsej muag, caj npab lossis ceg (tshwj xeeb tshaj yog nyob rau ib sab ntawm lub cev). Tsis meej pem lossis teeb meem hais lus lossis nkag siab cov lus. Teeb meem tsis pom kev sai sai hauv ib lossis ob lub qhov muag. Kev taug kev nyuaj los yog kiv taub hau, poob qhov sib npaug lossis teeb meem nrog kev sib koom tes. Mob taub hau hnyav heev uas tsis paub ua dab tsi