Qhov twg ntawm daim tawv nqaij yog avascular?

Video: Qhov twg ntawm daim tawv nqaij yog avascular?

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

Sab nrauv txheej yog hu ua epidermis thiab nruab nrab txheej hu ua dermis. Hauv qab dermis yog cov rog subcutaneous txheej (cov ntaub so ntswg adipose). Lub epidermis: Lub epidermis yog lub cev i.e. nws tsis muaj cov hlab ntsha.

Raws li txoj cai, txheej ntawm daim tawv nqaij yog avascular?

Epidermis

Kuj Paub, txheej ntawm daim tawv nqaij twg yog avascular tsis muaj cov hlab ntsha thiab vim li cas qhov ntawd yog qhov zoo dua? Yuav kom ua tau ntev, tiv thaiv tag nrho cov tshuaj lom neeg thiab lub cev ua phem rau peb ib puag ncig cuam tshuam rau tawv nqaij , epidermal hlwb yuav tsum nruj heev ua ke. Lawv txuas los ntawm qhov sib txuas ntawm cov protein sib txuas sib txuas hu ua desmosomes.

Yog li ntawd, dab tsi ntawm daim tawv nqaij muaj cov hlab ntsha?

Qhov nruab nrab txheej ntawm tawv nqaij , lub dermis, muaj cov hlab ntsha , qab haus huv, thiab qog uas tseem ceeb rau peb cov tawv nqaij muaj nuj nqi

Puas muaj 10 txheej ntawm daim tawv nqaij?

Unstained epidermis kuaj tsis pom cov yam ntxwv zoo li no. Lub stratum spinosum yog tsim los ntawm yim rau 10 txheej ntawm keratinocytes, tsim los ntawm kev faib cell hauv lub stratum basale (Daim duab 5).

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 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

Npaum li cas ntawm daim tawv nqaij thiab daim tawv nqaij?

txog 2 hli Ua raws li qhov no hauv kev txiav txim siab, tuab npaum li cas ntawm cov epidermis nyob tom qab? Dermis thiab subcutaneous rog Nws yog tuab (nruab nrab 1 txog 4 hli) tshaj li daim tawv nqaij uas yog hais txog nyias li daim ntawv.