头部鳞癣;白癣
Favus \Fa"vus\, n. [L., honeycomb.] 1. (Med.) A disease of the scalp, produced by a vegetable parasite. 2. A tile or flagstone cut into an hexagonal shape to produce a honeycomb pattern, as in a pavement; -- called also {favas} and {sectila}. --Mollett.
favus n : a contagious fungal infection of the scalp; occurs mainly in Africa and the Middle East