The dermis: ib qho thicker sab hauv. Qhov no yog cov ntaub so ntswg sib txuas ntawm daim tawv nqaij. Nws yog ib qho tseem ceeb rau kev hnov, kev tiv thaiv thiab thermoregulation.
Cov tawv nqaij txheej twg yog qhov tuab tshaj?
Squamous cell txheej yog txheej tuab tshaj plaws ntawm cov epidermis, thiab koom nrog kev hloov ntawm qee yam khoom hauv thiab tawm ntawm lub cev. Lub squamous cell txheej kuj muaj cov hlwb hu ua Langerhans cells.
Qhov twg ntawm daim tawv nqaij tuab hauv qab no yog qhov tuab tshaj plaws?
Lub thickness ntawm txhua txheej ntawm daim tawv nqaij txawv nyob ntawm seb lub cev cheeb tsam thiab categorized raws li lub thickness ntawm lub epidermal thiab dermal txheej. Cov tawv nqaij tsis muaj plaub hau pom ntawm ob txhais tes thiab ob txhais tawyog tuab tshaj vim tias cov epidermis muaj ib txheej ntxiv, stratum lucidum.
Cov tawv nqaij tuab hu ua dab tsi?
Feem ntau ntawm daim tawv nqaij tuaj yeem faib ua daim tawv nyias. "Cov tawv nqaij tuab" tsuas yog pom ntawm ob txhais tes thiab ob txhais taw xwb. Nws muaj txheej thib tsib, hu ua stratum lucidum, nyob nruab nrab ntawm stratum corneum thiab stratum granulosum (Daim duab 5.1. 2).
Dab tsi yog qhov tuab tshaj plaws ntawm dermis?
Reticular dermis yog qhov tob thiab tuab ntawm cov dermis, uas nyob saum cov txheej txheem subcutaneous ntawm daim tawv nqaij. Nws muaj cov ntaub so ntswg ntom ntom, uas suav nrog: cov hlab ntsha. Elastic fibers(interlaced)