Nyob rau hauv cov hlab plawv xws li hauv ob sab phlu capillaries lossis sab hauv ntawm lub plawv, yooj yim squamous epitheliumtshwj xeeb hu ua endothelium. Cells yog tiaj nrog flattened thiab oblong nuclei. Nws tseem hu ua pavement epithelium vim nws cov pobzeb zoo li zoo li.
pom cov pavement epithelium nyob qhov twg?
Pavement/Squamous Epithelium
Nws muaj nyob rau hauv daim tawv nqaij epidermis, hauv ob sab phlu ntawm lub qhov ncauj, lub cev kab noj hniav, txoj hlab pas thiab cov hlab ntsha. Nws pab hauv kev tiv thaiv, pauv cov pa roj thiab ultra-filtration.
lub npe ntawm lub epithelium no yog dab tsi?
Muaj peb lub hauv paus tseem ceeb ntawm cov duab uas cuam tshuam nrog cov hlwb epithelial: squamous epithelium, cuboidal epithelium, thiab columnar epithelium. Muaj peb txoj hauv kev piav qhia txog txheej txheej ntawm epithelium: yooj yim, stratified, thiab pseudostratified.
4 lub luag haujlwm ntawm cov ntaub so ntswg epithelial yog dab tsi?
cov ntaub so ntswg epithelial yog dav thoob plaws hauv lub cev. Lawv tsim cov npog ntawm tag nrho lub cev qhov chaw, kab lub cev kab noj hniav thiab hollow lub cev, thiab yog cov ntaub so ntswg loj hauv qog. Lawv ua ntau yam haujlwm uas suav nrog tiv thaiv, zais cia, nqus, tshem tawm, pom, nthuav tawm, thiab txais kev hnov lus.
2 hom kab mob epithelial yog dab tsi?
Cov ntau yam ntawm cov ntaub so ntswg epithelial yog yam ntxwv los ntawm lawv cov duab cellular thiab kev npaj: squamous,cuboidal, los yog columnar epithelia. Ib txheej ntawm tes tsim ib qho yooj yim epithelia, whereas stacked hlwb tsim stratified epithelia.
