Nruam: Cov capillaries no tsis muaj perforations thiab cia tsuas yog me me molecules dhau mus. Lawv tam sim no hauv nqaij, tawv nqaij, rog, thiab paj hlwb. Fenestrated: Cov capillaries no muaj cov pores me me uas tso cai rau cov molecules me los ntawm thiab nyob hauv cov hnyuv, ob lub raum, thiab cov qog endocrine.
Dab tsi yog cov hlab ntsha txuas ntxiv pom hauv lub cev?
Capillary endothelial hlwb sib txawv hauv cov qauv nyob ntawm seb cov ntaub so ntswg uas lawv pom. Nruam capillaries yog cov feem ntau (piv txwv li, nqaij, rog, paj hlwb) tsis muaj cov kab mob sib kis thiab cov hlwb tau koom nrog cov kev sib tshuam tsis sib haum.
Puas muaj cov hlab ntsha txuas ntxiv nyob hauv daim siab?
Cov no muaj nyob rau hauv daim siab, spleen, lymph nodes, pob txha pob txha thiab qee cov qog endocrine. Lawv tuaj yeem ua tsis tu ncua, fenestrated, los yog discontinuous.
Puas muaj cov hlab ntsha txuas ntxiv nyob hauv lub hlwb?
Cov kab mob tsis tu ncua hauv lub hlwb yog qhov zam, txawm li cas los xij. Cov capillaries no yog ib feem ntawm cov ntshav-hlwb thaiv, uas pab tiv thaiv koj lub hlwb los ntawm kev tso cai rau cov khoom noj tseem ceeb tshaj plaws hla.
cov hlab ntsha hauv lub cev mus qhov twg?
capillariestxuas cov hlab ntsha mus rau cov leeg. Cov hlab ntsha xa cov ntshav oxygen nplua nuj mus rau cov hlab ntsha, qhov twg qhov sib pauv ntawm cov pa thiab carbondioxide tshwm sim. Cov capillaries tom qab ntawd xa cov ntshav pov tseg uas nplua nuj mus rau cov leeg kom thauj rov qab mus rau lub ntsws thiab lub plawv. Cov leeg nqa ntshav rov qab mus rau lub plawv.
