ec·to·thrix | \ ˈek-tə-ˌthriks 
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\Medical Definition of ectothrix
(Entry 1 of 2)
: an ectothrix fungus of the genus Microsporum or Trichophyton
ectothrix
adjectiveMedical Definition of ectothrix (Entry 2 of 2)
: occurring on the surface of the hair shaft
ectothrix fungi also : characterized by the presence of hyphae or arthroconidia on the surface of the hair shaft ectothrix tinea capitis — compare endothrix
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