Lub stratum basale yog ib kab ntawm columnar lossis cuboidal cells resting ntawm thaj chaw hauv qab daus uas cais cov epidermis ntawm lub dermis (saib daim duab 1-5). Feem ntau ntawm cov hlwb no yog keratinocytes uas pheej rov tsim dua thiab thawb nce mus ntxiv rau cov hlwb epidermal saum toj no.
stratum basale nyob qhov twg?
Stratum basale, tseem hu ua stratum germinativum, yog txheej tob tshaj plaws, sib cais los ntawm cov dermis los ntawm lub hauv paus membrane (basal lamina) thiab txuas rau hauv qab daus daim nyias nyias los ntawm hemidesmosomes.
stratum basale nyob qhov twg thiab nws txoj haujlwm yog dab tsi?
Kev ua haujlwm ntawm Epidermis
Stratum basale, tseem hu ua basal cell txheej, yog txheej sab hauv ntawm cov epidermis. Cov txheej no muaj cov kab zoo li cov kab basal uas niaj hnub faib thiab raug thawb mus rau saum npoo.
Puas stratum basale puas muaj cov hlwb nyob?
Keratinocytes - 90% ntawm cov hlwb epidermal yog keratinocytes, cov hlwb uas tsim cov keratin, cov protein ntau. Lawv tsim nyob rau hauv lub stratum basale thiab tau thawb mus rau saum npoo. … Lawv live nyob rau hauv lub stratum basale tab sis lawv muaj ceg ntev uas nkag mus rau hauv nruab nrab ntawm cov hlwb ntawm stratum basale thiab stratum spinosum.
Puas yog stratum basale pom hauv daim tawv nqaij nyias?
Daim tawv nqaij uas muaj plaub txheej ntawm lub hlwb raug xa mus rau " daim tawv nqaij nyias " Los ntawm qhov tob mus rau sab saum toj, cov txheej no yog stratum basale, stratum spinosum, stratum granulosum, thiab stratum. corneum. Feem ntau ntawm cov tawv nqaij tuaj yeem raug cais raws li daim tawv nqaij nyias. "Cov tawv nqaij tuab" tsuas yog pom ntawm ob txhais tes thiab ob txhais taw xwb.