infantile muscular atrophy

infantile muscular atrophy definition - medical

infantile muscular atrophy

noun
Progressive muscular wasting due to degeneration of motor neurons in the anterior horns of the spinal cord, with onset usually in the first year of life. Also called familial spinal muscular atrophy, infantile progressive spinal muscular atrophy.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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