<prompt> Ring worm fungi live inStratum CorneumDermisPrickle Cell layerBasal Cell layer  <response>: A i.e. Stratum corneum Dermatophytosis is caused by trichophyton, epidermophyton microsporumQ; and it infects superficial topmost layer of skin stratum corneum or keratin layer, hair and nailsQ. Cutaneous mycosis Tenia or Ring worm or Dermatophytosis infect stratum corneum, hair nailsQ and do not penetrate living tissues. 