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

Trichophyton terrestre

Colonial Morphology	Microscopic Morphology Phase Contrast	Biochemical Reactions: BCP, SDA and Urease
Growth rate: moderately rapid Texture: velvety to granular, flat to folded Thallus color: white to yellow Reverse: yellow, occasionally red Variant: slow growing, deep rose pigment	microconidia intergrade with macroconidia, transition forms microconidia pyriform to elongate, often on pedicels macroconidia cylindrical, smooth, thin walled may have chlamydospores, spirals, raquet hyphae, antler hyphae	BCP: profuse, alkaline Urease: positive Vitamin requirement: none Hair perforation: positive Growth at 35°C: negative
Compare to and Differentiate from: T. mentagrophytes: no growth at 35°C T. tonsurans: vitamin requirements, no growth at 35°C T. rubrum: no growth at 35°C, hair perforation, BCP	Etiology & Ecology geophilic worldwide nonpathogenic etiology of other dermatophytes