Spinal Muscular Atrophy – Types, Diagnosis, and Treatments
Spinal muscular atrophy (SMA) is an autosomal recessive genetic disorder that interferes with the control of muscle movement. This condition occurs when there is a loss of specialized motor neurons in the spinal cord and the brainstem. The loss of motor neurons leads to muscle weakness and muscle wasting that affects activities such as walking, crawling, sitting up, and controlling head movement.
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