Keratinocytes lossis squamous hlwb nyob hauv nruab nrab txheej ntawm cov epidermis thiab tsim keratin, cov protein uas tsim cov txheej txheem tiv thaiv. Keratin kuj yog siv los tsim cov plaub hau thiab rau tes. Melanocytes ua rau melanin, cov xim uas muab xim rau ntawm daim tawv nqaij.
YPuas yog keratin yog xim tawv nqaij?
Keratinocytes, uas tsim cov protein hu ua keratin, cov khoom tseem ceeb ntawm cov epidermis. Melanocytes, uas tsim koj cov tawv nqaij pigment, hu ua melanin..
Puas keratin cuam tshuam rau cov xim ntawm daim tawv nqaij?
Lub epidermis muaj ob peb strata (txheej) uas muaj plaub hom cell. Keratinocytes tsim keratin, cov protein uas muab cov tawv nqaij nws lub zog thiab yoog raws thiab ua kom tsis muaj dej ntawm daim tawv nqaij. Melanocytes tsim melanin, cov xim tsaus nti uas muab cov tawv nqaij xim. … Cov hlwb stratum basale faib tsis tu ncua.
YPuas keratin darken tawv?
raug rau UV rays ntawm lub hnub los yog lub tanning salon ua rau melanin tsim thiab tsim nyob rau hauv keratinocytes, vim lub hnub raug nkoos keratinocytes secrete tshuaj uas txhawb melanocytes. Kev sib sau ntawm melanin hauv keratinocytes ua rau cov tawv nqaij tsaus ntuj, lossis tan.
Puas keratin tiv thaiv daim tawv nqaij?
Keratin yog ib qho tseem ceeb ntawm cov protein nyob rau hauv daim tawv nqaij. Keratin muaj ob lub luag haujlwm tseem ceeb: ua kom cov hlwb sib koom ua ke thiab tsim
txheej tiv thaiv sab nraudskin. … Cov kab mob tuag no tiv thaiv peb lub cev los ntawm lub ntiaj teb sab nraud.
