small-spored ectothrix

small-spored ectothrix
an ectothrix that forms small spores in sheaths, mosaic masses, or occasionally chains; this type includes Microsporum audouinii, M. canis, M. ferrugineum, and Trichophyton mentagrophytes.

Medical dictionary. 2011.

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  • Trichophyton — A genus of pathogenic fungi causing dermatophytosis in humans and animals; species may be anthropophilic, zoophilic, or geophilic, and attack the hair, skin, and nails, and are characterized by their grow …   Medical dictionary

  • Microsporum — A genus of pathogenic fungi causing dermatophytosis. In appropriate culture media, characteristic macroconidia are seen; microconidia are rare in most species. [micro + G. sporos, seed] M. audouinii an anthrophilic fungal …   Medical dictionary

  • Microsporum audouinii — a small spored ectothrix that is the most common cause of prepuberal tinea capitis in Europe and of about half the cases in the United States …   Medical dictionary

  • Microsporum canis — a small spored ectothrix that commonly causes ringworm in cats and dogs and can be transmitted to children, in whom it causes tinea capitis and tinea corporis. It is also probably the cause of a dermatomycosis in horses. It has perfect (sexual)… …   Medical dictionary

  • Microsporum ferrugineum — a small spored ectothrix that is anthropophilic and causes tinea capitis, mainly in children. Called also Trichophyton ferrugineum …   Medical dictionary

  • Trichophyton mentagrophytes — a small spored ectothrix species that causes ringworm (tinea) of various types in humans and dermatophytosis in farm animals. It has perfect (sexual) stages in genus Arthroderma …   Medical dictionary

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