A sheath of spores (conidia) on the outside of a hair. ... Origin: ecto-+ G. Thrix, hair ... (05 Mar 2000) ... 
(ek´to-thriks) a fungus that grows inside the shaft of a hair, but produces a conspicuous external sheath of spores.
Type: Term Pronunciation: ek′tō-thriks Definitions: 1. A sheath of spores (conidia) on the outside of a hair.
ectothrix A sheath of spores on the outside of a hair.