Dab tsi ntawm cov ntaub so ntswg epithelial yog lub epidermis ntawm daim tawv nqaij?

Video: Dab tsi ntawm cov ntaub so ntswg epithelial yog lub epidermis ntawm daim tawv nqaij?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

stratified squamous epithelium

Xav txog qhov no, yuav ua li cas cov ntaub so ntswg epithelial pom nyob rau hauv lub epidermis ntawm daim tawv nqaij?

1. Cov ntaub so ntswg epithelial pom nyob hauv daim tawv nqaij ntawm daim tawv nqaij sib txawv hauv cov qauv los ntawm kev sib txuas cov ntaub so ntswg pom nyob rau hauv lub dermis tawv nqaij ? Cov epithelial cov ntaub so ntswg cov cell ib txwm tau teeb tsa raws li kev xav ntawm lub hauv qab daus, tab sis txuas cov ntaub so ntswg tsis muaj daim nyias nyias hauv qab daus.

puas yog epidermis thiab epithelium tib yam? Qhov sib txawv tseem ceeb ntawm epidermis thiab epithelium yog tias daim tawv nqaij yog txheej txheej sab nrauv tiv thaiv tshaj plaws ntawm daim tawv nqaij ntawm cov tsiaj whereas epithelium cov ntaub so ntswg yog ib qho ntawm plaub hom ntaub so ntswg nyob rau hauv cov tsiaj lub cev, uas yog kab ntawm sab hauv thiab sab nrauv ntawm lub cev.

Tsis tas li ntawd, puas yog cov ntaub so ntswg epidermis?

Cov Epidermis yog txheej sab nraud, tiv thaiv txheej tawv nqaij, suav nrog 4 lwm txheej hauv daim tawv nqaij (piv txwv li ntawm daim tawv muag) thiab 5 ntawm daim tawv tuab (piv txwv li ib txhais taw). Nws yog ib yam ntawm cov ntaub so ntswg epithelial thiab yog lub luag hauj lwm rau kev tiv thaiv feem ntau tab sis kuj plays ib feem ntawm kev tswj kub los ntawm hws (hws).

Koj cov tawv nqaij hom twg?

cov ntaub so ntswg epithelial

Pom zoo:

Dab tsi yog txheej txheej sab saum toj ntawm daim tawv nqaij nyob ib sab ntawm daim tawv nqaij?

Lub dermis txuas cov epidermis mus rau hypodermis, thiab muab lub zog thiab kev ywj pheej vim muaj cov collagen thiab elastin fibers. Nws tsuas muaj ob txheej: txheej txheej papillary nrog papillae uas nthuav mus rau hauv daim tawv nqaij thiab qis dua, txheej txheej reticular uas muaj cov ntaub so ntswg sib txuas xoob

Dab tsi yog qhov sib txawv ntawm cov ntaub so ntswg sib txuas tsis tu ncua thiab cov ntaub so ntswg sib txuas tsis sib xws?

Cov ntaub so ntswg sib txuas tsis sib thooj muaj cov fibers uas tsis tau sib dhos ua ke zoo ib yam li cov ntaub so ntswg sib txuas ib ntus. Cov ntaub so ntswg sib txuas tsis sib thooj muaj feem ntau ntawm cov fibers collagen. Nws muaj cov khoom hauv av tsawg dua li cov ntaub so ntswg sib txuas

Dab tsi yog qhov txawv ntawm daim tawv nqaij thiab daim tawv nqaij daim ntawv xeem?

Qauv: Sib sib zog nqus ntawm daim tawv nqaij; connective ntaub so ntswg muaj li ntawm ob txheej. Muaj nuj nqi: Muaj lub luag haujlwm rau cov txheej txheem muaj zog thiab yoog raws ntawm daim tawv nqaij; lub epidermis pauv cov pa roj, cov khoom noj, thiab cov khoom pov tseg nrog cov hlab ntsha hauv lub dermis

Puas yog lo lus dav dav txhais tau tias yog mob ntawm daim tawv nqaij lossis pob khaus uas tuaj yeem muaj ntau yam ua rau nws yog ib qho cim ntawm ntau hom tawv nqaij tsis xws luag?

Dermatitis yog lo lus dav dav uas piav txog kev ua rau tawv nqaij. Dermatitis yog ib yam mob uas muaj ntau yam ua rau thiab tshwm sim ntau yam. Nws feem ntau yog khaus, tawv nqaij qhuav los yog pob khaus ntawm daim tawv nqaij o, reddened