Capillaries me me, ib txwm nyob ib ncig ntawm 3-4µm, tab sis qee qhov capillaries tuaj yeem yog 30-40 µm inch. Cov kab mob loj tshaj plaws muaj nyob hauv lub siab. (capillar los ntawm Greek rau cov plaub hau zoo li). Capillaries txuas arterioles rau venules.
qhov twg capillaries ntau tshaj?
Capillaries muaj ntau tshaj plaws hauv daim ntaub thiab lub cevuas yog metabolically active. Piv txwv li, cov leeg nqaij thiab ob lub raum muaj cov kab mob capillary ntau dua li cov ntaub so ntswg sib txuas.
Ntawm cov hlab ntsha tuaj yeem pom?
Cov hom capillaries no muaj nyob hauv qee cov ntaub so ntswg, suav nrog cov koj lub siab, tus po, thiab cov pob txha. Piv txwv li, hauv koj cov pob txha pob txha, cov hlab ntsha no tso cai rau cov qe ntshav uas tsim tawm tshiab nkag mus rau hauv cov hlab ntsha thiab pib ncig.
Dab tsi yog cov kab mob capillaries ntau tshaj?
Hom kab mob feem ntau, cov kab mob tsis tu ncua, muaj nyob hauv yuav luag txhua cov ntaub so ntswg vascular. Nruam capillaries yog tus yam ntxwv los ntawm ib tug ua tiav endothelial hauv ob sab phlu nrog nruj junctions ntawm endothelial hlwb.
Puas muaj pes tsawg leeg hauv lub cev?
Lawv, tig mus rau hauv ntau qhov loj ntawm cov hlab ntsha me tshaj plaws-cov hlab ntsha (nrog kwv yees 10 billion hauv nruab nrab tib neeg lub cev).
