Video: Puas yog cov kab mob voos lossis avascular?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Daim tawv nqaij yog avascular, uas txhais tau tias nws tsis muaj ntshav cov nkoj . Txawm li cas los xij, cov tawv nqaij txheej uas nyob ncaj qha hauv qab daim tawv nqaij, dermis , yog
Tib neeg kuj nug tias, txheej ntawm daim tawv nqaij twg yog vascular?
Dermis
Ib sab saum toj no, vim li cas thiaj tsis muaj cov hlab ntshav nyob hauv daim tawv nqaij? Nco ntsoov tias muaj yog tsis muaj cov hlab ntsha hauv daim tawv nqaij yog li cov hlwb tau txais lawv cov as-ham los ntawm diffusion los ntawm cov ntaub so ntswg hauv qab no, yog li cov hlwb ntawm txheej txheej sab nrauv no tuag. Stratum Corneum cells flake tawm. Lawv tau tsim nyob rau hauv stratum basale thiab raug thawb mus rau saum npoo.
Kuj lo lus nug yog, txheej txheej ntawm daim tawv nqaij puas yog vascular thiab avascular?
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.
Puas yog daim tawv nqaij sab hauv?
Cov daim tawv nqaij yog innervated los ntawm somatic liab qab axons tshwm sim los ntawm cov hlab ntsha uas khiav los ntawm subpapillary dermis.
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