Qhov kev hloov ntawm cov xim tshwm sim thaum muaj ntau tshaj ntawm melanin, cov xim ib txwm pom nyob rau hauv daim tawv nqaij, tsim deposits uas darken xim ntawm daim tawv nqaij. Cov tawv nqaij tsaus tuaj yeem txhim kho nyob rau hauv cov neeg ntawm txhua haiv neegMelasma yog cov tawv nqaij pigmentation uas feem ntau tshwm sim rau ntawm qhov chaw raug tshav ntuj ntawm cov neeg ua tiav tsaus nti.
Dab tsi yog qhov tawv nqaij tawv?
tawv nqaij tawv yog hom tawv nqaij tib neeg cov xim uas muaj cov xim melanin nplua nuj, tshwj xeeb tshaj yog eumelanin. Cov neeg uas muaj tawv nqaij tawv heev feem ntau hu ua "cov neeg dub", txawm hais tias qhov kev siv no tuaj yeem tsis meej meej hauv qee lub tebchaws uas nws kuj tau siv los hais txog ntau haiv neeg lossis haiv neeg.
Dab tsi yog qhov tawv nqaij ntawm tus neeg hu ua?
Hyperpigmentation yog hais txog cov tawv nqaij uas tau hloov tsaus dua li qhov qub uas qhov kev hloov pauv uas tau tshwm sim tsis cuam tshuam nrog lub hnub raug. Cells hu ua melanocytes nyob rau hauv daim tawv nqaij, tsim melanin. Melanin muab cov tawv nqaij nws cov xim.
Dab tsi ua rau tawv nqaij tawv?
Cov tawv nqaij tiag tiag ntawm tib neeg yog cuam tshuam los ntawm ntau yam tshuaj, txawm hais tias ib qho tseem ceeb tshaj plaws yog cov pigment melanin Melanin yog tsim nyob rau hauv daim tawv nqaij hauv cov hlwb hu ua melanocytes thiab nws. yog lub ntsiab txiav txim ntawm cov tawv nqaij xim ntawm cov tawv nqaij tawv tib neeg.
Tus neeg lub ntsej muag yog dab tsi?
noun. xim ntuj, kev ntxhib los mos, thiab pom ntawm daim tawv nqaij, tshwj xeeb tshaj yog ntawm lub ntsej muag: lub ntsej muag ntshiab, du, rosy. tsos; yam; tus cwj pwm: Nws lees txim ua rau muaj kev sib txawv ntawm txhua yam.
