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hypertonia

[hahy-per-toh-nee-uh]
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noun Pathology.
  1. increased rigidity, tension, and spasticity of the muscles.

Origin of hypertonia

First recorded in 1835–45; hyper- + -tonia
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
hypertonia in Medicine

hypertonia

(hī′pər-tōnē-ə)
n.
  1. Extreme tension of the muscles or arteries.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.