centronuclear myopathy

[sĕn′trō-nōōklē-ər]
n.
  1. Slowly progressing generalized muscle weakness and atrophy, beginning in childhood, in which the nuclei of most muscle fibers are located near the center rather than at the periphery of the fiber.myotubular myopathy
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.