Introduction Clinical Presentation Definition Distribution Etiology Index of Names Media & Methods Glossary Case Study References

Microsporum audouinii

Colonial Morphology	Microscopic Morphology Phase Contrast	Biochemical Reactions: BCP, SDA and Urease
Growth rate: slow Texture: downy to silky, flat, spreading, dense Thallus color: white to light tan Reverse: peach or salmon on PDA, yellowish brown to red brown on SDA	rare club-shaped microconidia rare deformed, spindle shaped macroconidia, longer and smoother than M. canis pectinate hyphae terminal or intercalary chlamydospores	BCP: profuse, alkaline, hydrolysis Urease: negative or positive Hair perforation: negative Rice: poor growth, brown pigment, no conidia Vitamin requirement: none, some strains enhanced by thiamine
Compare to and differentiate from: M. canis: rice grains	Etiology & Ecology anthrophilic worldwide, rare except in Africa and Asia scalp and body once caused epidemic tinea capitis in prepubescent children, now rare also spread by guinea pigs and dogs