Dab tsi yog tunica adventitia muaj?
Dab tsi yog tunica adventitia muaj?

Video: Dab tsi yog tunica adventitia muaj?

Video: Dab tsi yog tunica adventitia muaj?
Video: Nkauj ntseeg.Tsi muaj dab tsi rau koj.N.Tuam xyooj 19/3/2022 2024, Lub Xya hli ntuj
Anonim

Cov tunica adventitia txheej sab nrauv, yog qhov muaj zog tshaj ntawm peb txheej. Nws yog tsim los ntawm collagenous thiab elastic fibers. (Cov collagen yog cov protein txuas sib txuas.) tunica kev lom zem muab kev txwv tsis pub muaj kev tiv thaiv, tiv thaiv lub nkoj los ntawm kev nthuav dav ntau dhau.

Tom qab ntawd, dab tsi yog tunica adventitia tsim los ntawm?

Cov tunica externa (Tshiab Latin "txheej tsho sab nrauv") - tseem hu ua tunica kev lom zem (Latin tshiab "lub tsho ntxiv"), yog sab nraud tunica (txheej) ntawm cov hlab ntsha, ib puag ncig tunica xov xwm Nws yog feem ntau muaj los ntawm collagen thiab, hauv cov hlab ntsha, tau txhawb los ntawm sab nrauv lamina.

Ib yam li ntawd, muaj pes tsawg txheej txheej ntawm cov hlab ntsha hauv tunica muaj? peb txheej

Yog li ntawd, hom ntaub so ntswg twg tsim tau Tunica sab nraud?

cov ntaub so ntswg sib txuas

Vim li cas tunica adventitia tuab dua hauv cov leeg?

Yog vim li cas tunica adventitia ntau dua thicker nyob rau hauv cov leeg tshaj li ntawm cov hlab ntsha? Cov hlab ntsha muaj cov leeg phab ntsa uas yuav tsum tau pub ntshav ib yam nkaus. Cov adventitia rau cov leeg ntshav yog li ib feem ntawm cov ntshav xa mus rau cov leeg, uas ua rau nws khov kho. Cov leeg phab ntsa tso cai rau cov hlab ntsha kom tswj tau cov dej ntws.

Pom zoo: