<unk>  refers to Dermatophyte infections of the hair that infect the hair surface. This is in contrast to Endothrix, where a Dermatophyte mainly invades the hair shaft. Using an ultraviolet Wood's lamp, endothrix infections will not fluoresce whereas<unk>  infections will.
Exothrix
Endothrix
Comedo
Faggot cell
Neuromatrix
Columella 
Smegma
Inoculum