spinal muscular atrophy

(redirected from Spinomuscular atrophy)
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spinal muscular atrophy

n.
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.
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Targeted DNA studies for spinomuscular atrophy and myotonic dystrophy or metabolic studies may also be considered.