.. a chronic inflammatory skin infection usually effecting the scalp, but may inculcate nails and glaborous skin.
It is caused by one of the following dermatophytes : Trichophyton Schoenleinii, Trichophyton Violaceum, Trichophyton Mentagrophytes, Microsporum Gypseum.
Symptoms: thick yellow cup-shaped crusts (scutula) grouped in patches like a honeycomb, each about the size of a split pea, with a hair projecting in the centre which may grow in the diseased state.
Favus may be spread by contagion usually from cats, dogs, mice, and is the only known rabbit ailment to be transmissible to man.
Hair-sciences & Hair-specialisms – The Trichological Society
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