Video: Alveolocapillary membrane yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
ib txheej nyias ntawm cov ntaub so ntswg uas npog ib qho chaw, kab kab noj hniav, los yog faib ib qho chaw los yog lub cev. adj., adj mebranous. alveolar-capillary membrane ( alveolocapillary daim nyias nyias ) cov ntaub so ntswg nyias los ntawm cov roj sib pauv ntawm cov pa alveolar thiab cov ntshav hauv cov hlab ntsws.
Tsis tas li, dab tsi yog alveolar capillary membrane?
Ntshav-air barrier ( cov leeg – cov hlab ntsha barrier lub daim nyias nyias ) muaj nyob rau hauv thaj av pauv roj ntawm lub ntsws. Nws tshwm sim los tiv thaiv huab cua npuas los ntawm kev tsim hauv cov ntshav, thiab los ntawm cov ntshav nkag mus rau hauv alveoli . Lub barrier yog permeable rau molecular oxygen, carbon dioxide, carbon monoxide thiab ntau lwm yam gases.
Kuj Paub, yuav ua li cas tshwm sim ntawm alveolar membrane? Cov alveolar daim nyias nyias yog qhov chaw sib pauv roj, puag ncig los ntawm lub network ntawm capillaries. Hla lub daim nyias nyias oxygen yog diffused mus rau hauv lub capillaries thiab carbon dioxide tso tawm los ntawm lub capillaries mus rau hauv lub alveoli ua pa tawm. Alveoli tshwj xeeb tshaj yog rau lub ntsws mammalian.
Kuj nug, cov pa ua pa yog dab tsi?
Cov daim nyias nyias cais cov huab cua hauv alveoli los ntawm cov ntshav hauv pulmonary capillaries. Nws muaj cov phab ntsa alveolar, phab ntsa capillary, thiab lawv hauv qab daus daim nyias nyias . Cov ua pa membrane yog nyias (tsawg dua 0.5 hli). Los ntawm: ua pa daim nyias nyias hauv Oxford phau ntawv txhais lus ntawm Kev Tshawb Fawb Kev Ua Si & Tshuaj »
Dab tsi yog peb yam tseem ceeb ntawm cov hlab ntshav hlab ntsha?
Cheebtsam ntawm lub pa membrane = ntshav / cua thaiv , nyias nyias, tso cai rau kom nrawm nrawm ntawm cov roj ntsha Hom I squamos hlwb (daim ntawv feem ntau ntawm cov phab ntsa ntawm alveoli) Hauv qab daim nyias nyias Endothelial hlwb ntawm capillary 4.
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