Video: Dab tsi yog txheej txheej tob tshaj plaws ntawm cov lus nug epidermis?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
stratume basale: Cov stratum hauv qab ( txheej txheej hauv paus , qee zaum hu ua stratum germinativum ) yog txheej txheej tob tshaj plaws ntawm tsib txheej ntawm txheej txheej txheej, uas yog txheej txheej sab nrauv ntawm daim tawv nqaij hauv cov tsiaj. Cov stratum hauv qab yog txheej txheej txuas ntxiv ntawm cov cell.
Hauv kev hwm rau qhov no, dab tsi yog txheej txheej tob tshaj plaws ntawm daim tawv nqaij?
stratum germinativum
tsib txheej ntawm daim tawv nqaij yog dab tsi? Lub epidermis ntawm cov tawv tuab muaj tsib txheej: stratum hauv qab , stratum spinosum , stratum granulosum , qib lucidum , thiab stratum corneum cov . Cov stratum hauv qab yog ib txheej ntawm cov cell feem ntau ua los ntawm cov cell basal. Lub hauv paus ntawm lub hauv paus yog lub hauv paus cuboidal zoo li lub cell uas yog lub hauv ntej ntawm keratinocytes ntawm cov kab mob.
Ib yam li ntawd, nws tau nug, dab tsi yog txheej txheej tob tshaj plaws ntawm daim tawv nqaij uas rov tsim dua tshiab?
basal cell txheej
Dab tsi ua haujlwm ntawm stratum Spinosum?
Lub ntsiab kev ua haujlwm ntawm stratum spinosum yog tso cai rau keratinocytes kom paub tab. Hauv txheej no, lawv pib tsim lawv tus kheej keratin ib yam thiab
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