Spinal Muscular Atrophy Definition
    noun
  
 Any of several forms of a hereditary, progressive disease that involves loss of motor neurons in the spinal cord and brainstem and is characterized by muscle weakness and atrophy that vary in severity and age of onset.
 American Heritage Medicine 
Other Word Forms of Spinal Muscular Atrophy
Noun
Singular:
 spinal muscular atrophyPlural:
 spinal muscular atrophiesFind Similar Words
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