Video: Dab tsi yog txoj haujlwm ntawm txheej txheej ntshiab hauv daim tawv nqaij?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub stratum lucidum yog lub luag haujlwm rau lub peev xwm ntawm tawv nqaij kom ncab. Nws kuj muaj cov protein uas yog lub luag haujlwm rau degeneration ntawm tawv nqaij hlwb. Qhov no tuab txheej kuj txo cov teebmeem ntawm kev sib txhuam hauv tawv nqaij , tshwj xeeb tshaj yog nyob rau thaj tsam xws li txhais taw thiab txhais tes.
Ib yam li ib tug yuav nug, dab tsi yog qhov ua haujlwm ntawm granular txheej?
Yog li ntawd, lub ntsiab muaj nuj nqi ntawm keratohyalin granules yog los khi nruab nrab keratin filaments ua ke. Ntawm qhov kev hloov pauv ntawm qhov no txheej thiab cov stratum corneum, cov hlwb secrete lamellar lub cev (muaj lipids thiab proteins) mus rau hauv qhov chaw extracellular.
Tom qab, lo lus nug yog, dab tsi yog 2 lub luag haujlwm ntawm daim tawv nqaij? Cov tawv nqaij muaj ob txheej: epidermis thiab dermis. Hauv qab lub dermis yog cov ntaub so ntswg hypodermis lossis subcutaneous rog. Cov tawv nqaij muaj peb lub luag haujlwm tseem ceeb: kev tiv thaiv , kev cai thiab kev xav.
Qhov thib ob, txheej txheej ntawm daim tawv nqaij yog dab tsi?
Daim tawv nqaij muaj peb txheej: Cov epidermis , txheej txheej txheej ntawm daim tawv nqaij, muab cov dej tsis sib haum thiab tsim peb cov tawv nqaij. Cov dermis , sub sub epidermis , muaj cov tawv nqaij sib txuas, cov hauv paus plaub hau , thiab cov qog tawm hws . Cov ntaub so ntswg subcutaneous tob ( hypodermis ntawm lub ntsej muag ) yog ua los ntawm cov rog thiab cov ntaub so ntswg.
Dab tsi yog 7 lub luag haujlwm ntawm daim tawv nqaij?
Cov tawv nqaij ua rau lub luag haujlwm tseem ceeb uas suav nrog, kev tiv thaiv , nqus, tso tawm, tso zis, tswj thiab hnov zoo. Cov tawv nqaij ua haujlwm raws li peb thawj kab ntawm kev tiv thaiv cov co toxins, hluav taws xob thiab cov pa phem. Daim tawv nqaij muaj cov hlwb uas muab kev tiv thaiv kab mob tiv thaiv kab mob.
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 txheej txheej txheej hauv qab ntawm daim tawv nqaij?
Lub hauv paus txheej yog txheej txheej sab hauv ntawm txheej txheej, thiab muaj cov kab puag ncig me me hu ua basal cells. Cov hlwb basal txuas ntxiv sib faib, thiab cov hlwb tshiab tas li thawb cov laus mus rau ntawm daim tawv nqaij, qhov twg lawv thiaj li poob
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.