Video: Keratinized stratified squamous epithelium txhais li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
(Palmar tawv nqaij) Cov hlwb nyob saum npoo ntawm stratified squamous keratinized epithelium yog tiaj heev Tsis yog xwb yog lawv flat, tab sis lawv yog tsis ciaj sia lawm. Lawv tsis muaj nucleus lossis organelles. Lawv yog ntim nrog cov protein hu ua keratin, uas yog yog dab tsi ua rau peb cov tawv nqaij tsis muaj dej.
Hauv kev hwm rau qhov no, vim li cas thiaj yuav ua rau cov kab mob squamous epithelium raug keratinized?
Keratinized . Keratinized qhov chaw yog tiv thaiv los ntawm kev puas tsuaj los ntawm keratin thiab khaws cia hydrated thiab tiv thaiv los ntawm lub cev qhuav dej los ntawm glycolipids tsim nyob rau hauv stratum granulosum. Piv txwv ntawm keratinized stratified squamous epithelium suav nrog epidermis ntawm xibtes ntawm tes thiab ib leeg ntawm ko taw, thiab masticatory mucosa.
Ib tug kuj yuav nug, dab tsi yog lub luag haujlwm tseem ceeb ntawm Keratinized stratified squamous epithelium? Cov ntaub so ntswg keratinized yog qhov tseem ceeb uas muaj lub cev puas nrog rau qhov muaj peev xwm ntawm kev nqus dej thiab poob dej. Keratinized hlwb tau tsim tshwj xeeb los ua kom tsis muaj dej thiab txo cov evaporation ntawm cov ntaub so ntswg thiab yog li ntawd yog ib feem tseem ceeb ntawm cov epidermis los yog sab nraud. tawv nqaij.
Hauv qhov no, qhov twg yog Keratinized stratified squamous epithelium pom nyob hauv lub cev?
Stratified keratinized epithelium feem ntau pom nyob rau hauv lub epidermis ntawm av vertebrates, tab sis nws kuj yog pom nyob rau hauv papillae ntawm tus nplaig, qhov ncauj palate thiab esophagus ntawm ib co tsiaj noj cov zaub mov nyuaj. Lub strata ntawm epidermis tuaj yeem pom meej meej hauv daim duab saum toj no, uas yog los ntawm cov tawv nqaij tuab ntawm tus nas.
Keratinized epithelial cov ntaub so ntswg yog dab tsi?
Keratinized epithelium tsim cov epidermis ntawm thaj av vertebrates. (2). Cov kab mob saum npoo av (txheej txheej sab nrauv sab nraud) ntawm keratinized epithelium yog cov hlwb tuag. Lub protoplasm nyob rau saum npoo ntawm cov cell keratinized epithelium yog hloov los ntawm keratin.
Pom zoo:
Qhov txawv ntawm Keratinized thiab Nonkeratinized stratified squamous epithelium yog dab tsi?
Cov tawv nqaij (epidermis) yog keratinized, feem ntau hnyav li ntawm ib leeg thiab xib teg. Hauv daim duab no, txheej txiv kab ntxwv (hu ua stratum corneum) yog txheej keratinized. Nonkeratinized swb se epithelium muaj cov hlwb nyob txhua txoj hauv kev mus rau qhov dawb, tsis muaj cov kab mob tuag no
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