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

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; cov daim tawv nqaij sib pauv roj, khoom noj khoom haus, thiab cov khoom pov tseg nrog cov hlab ntshav hauv dermis.

Ua li no, dab tsi yog qhov txawv ntawm daim tawv nqaij thiab daim tawv nqaij?

Dermis thiab daim tawv nqaij yog ob txheej txheej ntawm tus 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 dermis thiab daim tawv nqaij yog tus qauv thiab kev ua haujlwm ntawm txhua hom qauv hauv lub cev.

Kuj Paub, daim ntawv xeem kab mob dab tsi? Epidermis - Basic. feem ntau txheej txheej ntawm daim tawv nqaij, suav nrog cov ntaub so ntswg epithelial. tiv thaiv kev puas tsuaj ntawm daim tawv nqaij thiab txo H2O poob. Dermis - Yooj yim. Txheej ntawm cov ntaub so ntswg sib txuas.

Tsis tas li ntawd, dab tsi yog qhov epidermis thiab dermis muaj sib xws?

Cov tawv nqaij sib sib zog nqus yog zoo vascularized ( muaj ntau cov hlab ntsha). Cov tawv nqaij yog tsim los ntawm ob txheej txheej tseem ceeb: lub daim tawv nqaij , ua los ntawm cov kab mob epithelial zoo sib xws, thiab cov dermis , ua los ntawm tuab, tsis sib xws cov ntaub so ntswg uas nyob hauv cov hlab ntsha, cov hauv paus hniav, cov qog hws, thiab lwm yam qauv.

Dab tsi yog qhov ua haujlwm ntawm daim tawv nqaij?

Muaj nuj nqi . Thawj lub luag haujlwm ntawm dermis yog los txhawb cov epidermis thiab pab kom cov tawv nqaij kom vam meej. Nws kuj ua tus lej ntawm lwm lub luag haujlwm vim tias muaj cov hlab ntshav xaus, qog hws, qog sebaceous qog cov hauv paus plaub hau, thiab cov hlab ntshav.

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