12.22.2011
Genetic Disease – Spinal Muscular Atrophy (SMA)
Spinal muscular atrophy (SMA) is an inherited disease that affects an infant’s muscular activity. Voluntary muscles are driven by motor neurons. Children with SMA are missing a gene that is required to produce certain proteins involved in motor neuron development. Without this protein, the nerves shrink and ultimately atrophy. Without motor neuron innervation, the muscles […]
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