epiphysiolysis

[ ĕp′ə-fĭz′ē-ŏlĭ-sĭs ]

n.

The loosening or separation, either partial or complete, of an epiphysis from the shaft of a bone.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.