ectothrix

[ ĕktō-thrĭks′ ]

n.

A fungal parasite, such as certain dermatophytes, forming a sheath of spores on the outside of a hair as well as growing within the hair shaft.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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