Spinal muscular atrophy is classed being a motor neuron degenerative disease involving the anterior horn from the spinal wire and lower motor neurons. That is thanks most often to a homozygous deletion of SMN1 on chromosome 5q11.2-thirteen.three, causing an absence or decrease in deep tendon reflexes, diffuse symmetrical proximal weak https://oss-12816700986.blogars.com/26276761/everything-about-le-300