Duk abin da yake ba mu mutum, launi na idanu, gashi da fata, yana samuwa saboda kasancewar melanin a cikin kwayoyin halitta. Rashinsa shi ne tsarin ilimin kwayoyin halitta. Albinanci a cikin mutane ba al'ada ba ne, an gado shi daga iyayensa, musamman ma idan sun kasance masu sukar kwayar mutun.
Iri da kuma haddasa albinism
Yin kira na melanin ne saboda wani enzyme na musamman - tyrosinase. Tsarin dashi na ci gaba zai iya haifar da cikakkiyar rashin cin hanci ko rashi, wanda ya haifar da albinism.
Hanyar gadowar cutar an raba su zuwa masallacin da ke da mahimmanci. Dangane da nau'in, an rarraba pathology kamar haka:
- Albinism mai sauƙi . Don tabbatar da cutar ta bayyana, ya isa ya sami iyaye guda tare da raguwa.
- Jimbin albinism . Yana faruwa ne kawai a cikin yanayin lokacin da mahaifinsa da mahaifiyar suna da kwayar cutar ta DNA.
- Albinism bai cika ba . An gaji shi ne a matsayin mai rinjaye da mawallafi.
Dangane da bayyanuwar asibitoci, akwai nau'ikan kwayoyin halitta da kuma irin nau'o'in pathology. Bari muyi la'akari dalla-dalla
Albinism ido
Irin wannan cututtuka na waje ne wanda ba a ganuwa. An halin da wadannan bayyanar cututtuka:
- rage ƙananan gani;
- strabismus ;
- nystagmus - ƙungiyoyi masu sa ido na ido.
Skin da gashi sun kasance na al'ada ko dan kadan fiye da na dangi.
Ya kamata a lura cewa mutane ne kawai suke shafar albinism, alhali kuwa mata suna ɗaukar shi kawai.
Obinlomotor albinism ko HCA
Akwai nau'o'i uku da aka dauke irin su albinism:
- HCA 1. An kirki wannan nau'in tare da ragamar A (ba a samar da melanin ba) kuma B (aka samar da melanin a cikin rashin yawa). A cikin akwati na farko, gashi da fatar jiki ba su da alade (fararen fata), haɗuwa tare da hasken rana yana haskakawa, mai iris gaskiya ne, launi na idanu sun nuna ja saboda karfin jini. Nau'in na biyu yana tare da launin fata mai laushi na fata, wanda ya karu da shekaru, da kuma tsananin gashi, iris;
- HCA 2. Yanayin halayen kawai shine fararen fata ba tare da la'akari da tseren marasa lafiya ba. Sauran bayyanar cututtuka sune m - launin rawaya ko gashi mai launin rawaya, launin toka mai haske ko idanu mai launi, bayyanar freckles a yankunan sakonnin fata tare da hasken rana;
- HCA 3. Mafi yawan irin albinism tare da bayyanar da ba a sani ba. Fata, a matsayin mai mulkin, yana da launin launin launin launin launin ruwan kasa ko tsatsa-launin ruwan kasa, kamar gashi. Eyes - bluish-brown, da kuma gani na gani ya kasance al'ada.