Video: Cov tawv nqaij sib txawv li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Nyob rau hauv lub epidermis yog txheej ntawm plaub hom tawv nqaij sib txawv : keratinocytes, melanocytes, Merkel hlwb thiab Langerhans hlwb.
Tsis tas li cov lus nug yog, dab tsi yog hom cell tseem ceeb ntawm daim tawv nqaij?
Cov kab mob epidermis tsis muaj cov hlab ntshav thiab tau txhawb los ntawm kev nthuav tawm los ntawm daim tawv nqaij. Cov hom loj ntawm hlwb uas ua rau cov tawv nqaij yog keratinocytes, melanocytes, Langerhans hlwb thiab Merkel hlwb . Lub epidermis pab tawv nqaij tswj lub cev kub.
Ib yam nkaus, muaj pes tsawg hom tib neeg daim tawv nqaij muaj? Kev nkag siab tawv nqaij hom tawv nqaij thiab tej yam kev mob. Muaj plaub theem pib hom noj qab nyob zoo tawv nqaij : ib txwm, qhuav, oily thiab ua ke tawv nqaij . Hom tawv nqaij yog txiav txim siab los ntawm noob caj noob ces. Qhov xwm txheej ntawm peb tawv nqaij tuaj yeem, txawm li cas los xij, sib txawv heev raws li ntau yam sab hauv thiab sab nrauv nws raug rau.
Raws li, dab tsi ua rau cov tawv nqaij ntawm tes?
Tawv nqaij yog ua li ntawm peb txheej. Sab nraud yog epidermis. Qhov no feem ntau yog ntawm hlwb hu ua keratinocytes, ua los ntawm cov protein nyuaj keratin (tseem yog cov khoom siv hauv plaub hau thiab rau tes). Keratinocytes tsim ob peb txheej uas tas li loj hlob sab nraud raws li sab nrauv hlwb tuag thiab flake tawm.
Cov tawv nqaij ntawm tes txawv li cas ntawm lwm cov cell?
Cov tawv nqaij tau tshwj xeeb kom sai sai thiab hloov pauv, thiab tsis muaj ntau cov mitochondria (uas pab tsim lub zog). Nqaij hlwb , sib tham, muaj ntau ntau ntawm mitochondria vim tias lawv xav tau lub zog los tsim kev txav chaw. Saib cov duab hauv qab no kom paub ntau ntxiv txog tawv nqaij thiab nqaij hlwb 'cov duab thiab qhov pom dav.
Pom zoo:
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 sib txawv tseem ceeb ntawm cov tawv nqaij sib txuas thiab cov fibrous?
Muaj ntau hom ntaub so ntswg sib txuas. Ib hom yog cov ntaub so ntswg sib txuas ua ke, tseem hu ua cov ntaub so ntswg sib txuas. Lub ntsiab lus fibrous thiab qhov sib txawv tuaj vim tias cov ntaub so ntswg sib txuas tau ua los ntawm cov fibers. Cov fibers feem ntau yog ua los ntawm collagen ntxiv rau qee qhov fibroblasts
Koj ua li cas tiv thaiv cov tawv nqaij tawv nqaij?
Kev tiv thaiv thiab kev tiv thaiv tej zaum yuav muaj xws li cov hauv qab no: Kev zam ntawm tus kab mob staphylococcal thawj zaug uas yuav ua rau muaj cov kab mob lom. Kev kho mob raws sijhawm ntawm cov kab mob staphylococcal tsim. Kev txheeb xyuas thiab kev kho tus kab mob asymptomatic
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
Cov tawv nqaij sib txawv sib txawv yog dab tsi?
Cov tawv nqaij pom feem ntau yog: cov hauv paus plaub hau. Cov qog sebaceous. Apocrine hws qog. Eccrine qog hws. Ntsia