spinal muscular atrophy; SMA
Medical term for a group of genetic disorders causing progressive muscle weakness and atrophy.
Spinal muscular atrophy is a hereditary neuromuscular disease.
脊髄性筋萎縮症の治療法は近年大きく進歩しました。
Treatments for spinal muscular atrophy have advanced significantly in recent years.
ALS (amyotrophic lateral sclerosis) is a different motor neuron disease affecting adults, while SMA primarily affects infants and children.
Compound of 脊髄 (spinal cord), 性 (-type), 筋 (muscle), 萎縮 (atrophy), and 症 (disease).