![]() | |
---|---|
Bayanai | |
Ƙaramin ɓangare na | Zabaya |
Zabayyana wani yanayi ne na haihuwa wanda ke bayyana a cikin mutane ta hanyar rashi ko cikakken rashi a cikin fata, gashi da idanu. Zabayyana yana hade da wasu lahani na hangen nesa, irin su photophobia, nystagmus, da amblyopia . Rashin launin fatar fata yana haifar da ƙarin kamuwa da kunar rana da kuma ciwon daji na fata. A lokuta da ba kasafai ba irin su Chédiak-Higashi ciwo, albinism na iya haɗawa da gazawa a cikin jigilar melanin granules. Wannan kuma yana shafar mahimman granules da ke cikin ƙwayoyin rigakafi, yana haifar da haɓakar kamuwa da cuta.[1]
Zabayyana yana samuwa ne daga gadon gadon halittu masu rarrafe kuma an san yana shafar dukkan kashin baya, har da mutane . Ya faru ne saboda rashi ko lahani na tyrosinase, wani enzyme mai dauke da jan karfe da ke cikin samar da melanin . Ba kamar mutane ba, sauran dabbobi suna da launuka masu yawa kuma saboda waɗannan, ana ɗaukar albinism a matsayin yanayin gado wanda ke nuna rashin samun melanin musamman, a idanu, fata, gashi, sikeli, gashin fuka-fuki ko cuticle.[2] Yayin da kwayar halittar da ke da cikakkiyar rashi na melanin ana kiranta albino, kwayar halittar da ke da karancin melanin ana kwatanta ta da leucistic ko albinoid.[3] Kalmar daga Latin albus, "farar fata".
© MMXXIII Rich X Search. We shall prevail. All rights reserved. Rich X Search