Ring worm or Tinea

Ringworm is a group name for a highly contagious, segmented mycelial fungus. It is the commonest, single fungus group of infections found in tropical countries. There are three distinct genera in this group (distinguished by cultural characteristics):

Epidermophyton. It affects only the human skin. There is only one important species-E. floccosum.

Trichophyton. It is more virulent than the others. It affects the hair, the glabrous skin, aswell asthe nails, It includesboth the humanandanimal species. The important speciesare: T.rubrum, T.mentagrophyte,T. violaceum,T. verrucosum and T. schoenleini.

Microsporum. Septaon myceliaarevery closeproducingsmall segmentswhich look like sporesbut are not so'in reality; therefore,the nameis a misnomer. It affectsmainly the hair, and less commonly, the glabrous skin. The important species are: M. audounii (human variety) and M. canis and M. lanosum (animal varieties).

Despite the above classification, it is practical to discuss fungus diseases according to the site of affection.

Skin Infection

Fungal Skin Infection

Bacterial Infection

Virus Infection

Others

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