Dermatophyes affect -
Dermatophytes is is the superficial fungal infection of the keratinised tissue commonly called tinea. they are keratophilic organisms invade dead tissue- stratum corneum skin, hair and nails iadvl textbook of dermatology page 252
Keratin
Dermis of skin
Stratum basal
Stratum spongiosum
Fungal infections, Scabies, Pediculosis