![Qhov kev sib txuas ntawm daim tawv nqaij nyob qhov twg? Qhov kev sib txuas ntawm daim tawv nqaij nyob qhov twg?](https://i.answers-medical.com/preview/medical-health/14078616-where-is-the-dermal-epidermal-junction-j.webp)
Video: Qhov kev sib txuas ntawm daim tawv nqaij nyob qhov twg?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thaj chaw ntawm tib neeg daim tawv nqaij ntawm epidermis thiab dermis hu npe dermal - kev sib txuas ntawm daim tawv nqaij (DEJ).
Kuj tseem paub yog, dab tsi yog qhov dermal epidermal hlws ris?
Lub dermoepidermal kev sib tshuam los yog dermal - epidermal kev sib tshuam (DEJ) yog thaj tsam ntawm cov ntaub so ntswg uas koom nrog daim tawv nqaij thiab cov dermal txheej ntawm daim tawv nqaij.
Ib sab saum toj no, dab tsi txuas dermis thiab epidermis? Cov dermis yog txuas mus rau epidermis nyob rau theem ntawm cov hauv qab daus daim nyias nyias thiab muaj ob txheej, ntawm cov nqaij sib txuas, cov papillary thiab cov txheej txheej rov qab uas sib koom ua ke yam tsis muaj kev sib cais meej. Lub papillary txheej yog txheej sab sauv, thinner, muaj li ntawm xoob cov ntaub so ntswg thiab kev sib cuag epidermis.
Dhau li ntawm no, dab tsi yog cov khoom ntawm cov dermal epidermal hlws ris thiab vim li cas lawv tseem ceeb?
Cov kev sib tshuam ua haujlwm raws li hauv qab no: (1) daim tawv nqaij - dermal ua raws, (2) kev txhawb nqa tshuab rau epidermis , thiab (3) ib qho kev cuam tshuam rau kev sib pauv ntawm cov hlwb thiab ntawm qee qhov loj molecules thoob plaws lub kev sib tshuam.
Lub epidermis yog dab tsi?
Epidermis : Sab saum toj lossis txheej txheej ntawm ob txheej txheej tseem ceeb ntawm cov cell uas ua rau ntawm daim tawv nqaij. Cov epidermis feem ntau yog ua los ntawm cov qes-zoo li cov hlwb hu ua squamous cells. Lwm cov txheej txheem tseem ceeb ntawm daim tawv nqaij yog dermis, txheej txheej ntawm daim tawv nqaij, uas muaj cov ntshav thiab cov hlab ntsha, cov hauv paus hniav, thiab qog.
Pom zoo:
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