ectothrix
[ ĕk′tō-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.
Example sentences from the Web for ectothrix
Of this latter there are two main subvarieties—endothrix and ectothrix.
Essentials of Diseases of the Skin |Henry Weightman Stelwagon