Maxay dadku u yeeshaan laalaab iyo timo cirro marka ay sii weynaadaan?
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Marka ay dadku da’da yihiin, jidhkoodu siyaabo badan ayuu isu beddelaa taas oo saamaysa siyaabaha ay u shaqeeyaan unugyadooda iyo hab-dhiska xubnahooda. Isbeddelladani si yar-yar ayey u dhacaan, waqti ka dib, way ka duwan yihiin qof kasta. Iyagoo gabooba, timaha follicles waxay soo saaraan melanin yar , midabka timaha siiya midabkooda. Timuhu way fududaanayaan, ka dibna cawlaan, oo aakhirka waxay isu beddelaan caddaan. Ciddiyaha sidoo kale waxay ku beddelaan gabowga: si tartiib ah ayay u koraan, waxaa laga yaabaa inay noqdaan kuwo caajis ah oo jajaba, waxaana laga yaabaa inay noqdaan jaalle iyo mugdi. Da’da, lakabka sare ee maqaarka ( epidermis ) wuu khafiifaa iyo tirada unugyada midabka leh (oo loo yaqaanno melanocytes ).) hoos u dhaco, laakiin inta soo hartay ee melanocytes ayaa kordhisa xajmiga. Maqaarka gabowga ayaa markaa u muuqda mid khafiif ah, midab leh, oo dhalaalaya. Isbeddellada ku yimaadda unugyada isku xidha ayaa hoos u dhigaya awoodda maqaarka iyo bartinimadooda, taasoo keenta maqaarka oo laalaabtay.