Endothrix is caused by: (A) Pityrosporum, (B) T tonsurans, (C) C minutissimum, (D) S aureus
Answer is B. Endothrix-spores inside hair shaft- hairs break at the follicular orifices appear as black dots on scalp Black dot or non inflammatory type of tinea capitis : endothix infection.hairs break at the level of scalp. Causative organism trichophyton.tonsurans. iadvl textbook of dermatologypage 255