<prompt> Ring worm infection affects -DermisPapillary layerStratum corneumPrickle cell layer  <response>: DERMATOPHYTOSIS Infection caused by dermatophytes.Superficial cutaneous infection.Affects stratum corneum layer of skin. Dermatophytes belonging to genera microsporum,Trichophyton and epidermophyton causes ringwormtinea of skin ,hair and nails. Classified based on site of involvement.1. T.corporis- Glabrous skin.skin regional except scalp,groin,palms and soles.2. T.cruris- groin.3. T.faciei- face4. T.barbae-Beard5. T.pedis-soles and web spaces.6. T.manuum-palms and webspaces.7. T.unguium-finger and toe nail. Reference: IADVL textbook of dermatology, page 254 