Ua pa Ua pa Cov bronchioles yog kab los ntawm qhov yooj yim cuboidal ciliated epithelium, muaj tsis muaj hyaline pob txha mos los yog submucosalqog, thiab nyob ib puag ncig los ntawm elastic fibers thiab cov leeg du.
Vim li cas bronchioles tsis muaj pob txha mos?
Raws li tau hais, cov bronchioles tsis muaj hyaline pob txha mos kom tswj tau lawv cov patency Hloov chaw, lawv vam khom cov fibers elastic txuas rau cov ntaub so ntswg ib puag ncig rau kev txhawb nqa. Cov hauv ob sab hauv (lamina propria) ntawm cov bronchioles yog nyias yam tsis muaj qog, thiab nyob ib puag ncig los ntawm cov leeg nqaij.
YPuas muaj pob txha mos hauv bronchioles?
Cov pob txha mos thiab cov mucous daim nyias nyias ntawm thawj bronchi zoo ib yam li nyob rau hauv lub trachea. Raws li cov ceg txuas ntxiv los ntawm tsob ntoo bronchial, tus nqi ntawm cov pob txha mos hyaline nyob rau hauv cov phab ntsa txo kom txog thaum nws tsis nyob hauv cov bronchioles me tshajRaws li cov pob txha mos txo qis, cov nqaij leeg nce.
Pob bronchi xav tau pob txha mos?
Raws li tau hais, cov bronchioles no tsis muaj hyaline pob txha mos kom tswj tau lawv patency. Hloov chaw, lawv vam khom cov fibers elastic txuas rau cov ntaub so ntswg ib puag ncig rau kev txhawb nqa. … Raws li cov bronchioles tau me dua lawv faib mus rau hauv cov bronchioles terminal. Txhua lub bronchiole faib rau hauv nruab nrab ntawm 50 thiab 80 terminal bronchioles.
Puas alveoli puas muaj pob txha mos?
Txhua qhov ntawm cov ducts no xaus rau hauv ob peb lub hnab alveolar, zoo li cov txiv hmab txiv ntoo me me, thiab cov phab ntsa ntawm txhua lub hnab alveolar yog ua los ntawm khob-zoo li alveoli. Raws li tsis muaj pob txha mos nyob rau hauv cov phab ntsa ntawm cov qauv nocov qauv, lawv txhua tus yuav tsum lav.
