A contagious skin disease prevalent in tropical America, caused by a spirochete(Treponema carateum)and characterized by extreme thickening and spotty discoloration of the skin.

 
  • 品他病一种流行于美洲热带地区的皮肤传染病,由一种螺旋体引起(斑点病密螺旋体),其特征是皮肤起厚皮并有点状褪色现象
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