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SMA
SMA SMA stands for spinal muscular atrophy, a rare inherited neuromuscular disorder caused by a single gene and passed on in an autosomal recessive pattern.
SMA stands for spinal muscular atrophy, a rare inherited neuromuscular disorder caused by a single gene and passed on in an autosomal recessive pattern. It involves degeneration of lower motor neurons, leading to progressive muscle weakness, and while it often begins in infancy or early childhood, milder forms can start in adolescence or adulthood.