Kev sib txheeb ntawm dermis thiab epidermis yog dab tsi?
Kev sib txheeb ntawm dermis thiab epidermis yog dab tsi?

Video: Kev sib txheeb ntawm dermis thiab epidermis yog dab tsi?

Video: Kev sib txheeb ntawm dermis thiab epidermis yog dab tsi?
Video: Ke hlub yog dab tsi? 2024, Lub rau hli ntuj
Anonim

Cov daim tawv nqaij , txheej txheej sab nraud ntawm daim tawv nqaij, muab lub thaiv dej thaiv thiab tsim peb cov tawv nqaij. Cov daim tawv nqaij , sub sub daim tawv nqaij , muaj cov tawv nqaij sib txuas, cov hauv paus plaub hau, thiab cov qog hws. Cov ntaub so ntswg subcutaneous tob (hypodermis) yog ua los ntawm cov rog thiab cov nqaij sib txuas.

Ib yam li ntawd, nws tau nug, qhov sib txawv ntawm daim tawv nqaij thiab daim tawv nqaij yog dab tsi?

Dermis thiab daim tawv nqaij yog ob txheej txheej ntawm tsiaj lub cev. Epidermis yog txheej txheej sab nraud, uas tiv thaiv cov txheej txheem sab hauv ntawm lub cev. Dermis yog pom hauv qab no daim tawv nqaij . Lub ntsiab qhov sib txawv ntawm daim tawv nqaij thiab daim tawv nqaij yog tus qauv thiab kev ua haujlwm ntawm txhua hom qauv hauv lub cev.

Kuj Paub, dab tsi yog txheej txheej txheej txheej? Epidermis : Sab saud lossis sab nraud txheej ntawm ob lub ntsiab txheej ntawm cov cell uas ua rau ntawm daim tawv nqaij. Cov daim tawv nqaij feem ntau yog ua los ntawm tiaj, nplai zoo li cov cell hu ua squamous cells. Hauv qab cov squamous cells yog cov cell puag ncig hu ua basal cells.

Tsis tas li kom paub, daim tawv nqaij thiab daim tawv nqaij nyob qhov twg sib raug zoo?

Cov daim tawv nqaij yog txheej sab saum toj ntawm daim tawv nqaij. Cov daim tawv nqaij yog txheej hauv qab no daim tawv nqaij.

Puas yog daim tawv nqaij sab nrauv rau daim tawv nqaij?

Cov daim tawv nqaij yog cov ntaub so ntswg sib txuas ntawm cov keeb kwm mesenchymal nyob sib sib zog nqus mus rau daim tawv nqaij thiab sab nrauv mus rau txheej rog subcutaneous. Cov daim tawv nqaij tau muab faib ua ob txheej: papillary daim tawv nqaij thiab reticular daim tawv nqaij . Cov papillary daim tawv nqaij yog sab nrauv txheej, dag tob rau daim tawv nqaij.

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