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hypermyotonia in Medicine

hypermyotonia

(hī′pər-mī′ə-tōnē-ə)
n.
  1. Extreme or excessive muscular tonicity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.