spinal muscular atrophy

(redirected from Juvenile Spinal Muscular Atrophy)
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Related to Juvenile Spinal Muscular Atrophy: Infantile spinal muscular atrophy, spinal muscle atrophy

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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References in periodicals archive ?
Non-progressive juvenile spinal muscular atrophy of the distal upper limb [Hirayama's disease].
Non-progressive juvenile spinal muscular atrophy of the distal upper limb (Hirayama\'s disease) In: De Jong JM, (ed.) Handbook of Clinical Neurology.
(23.) Hirayama K.: Non-progressive juvenile spinal muscular atrophy of the distal upper limb (Hirayama's disease).

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