spinal muscular atrophy

== English == === Noun === spinal muscular atrophy (countable and uncountable, plural spinal muscular atrophies) A neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. ==== Synonyms ==== SMA (abbreviation) ==== Hyponyms ==== ==== Derived terms ==== ==== Related terms ==== spinal muscular atrophies (SMAs)