whorled enamel

whorled e·nam·el

enamel in which the rods assume a spiral or twisting course.
Farlex Partner Medical Dictionary © Farlex 2012

whorl·ed e·nam·el

(wŏrld ĕ-namĕl)
Enamel in which rods assume a twisting course.
Medical Dictionary for the Dental Professions © Farlex 2012