sma, spinal muscular atrophy. medical stethoscope and acronym on wooden blocks, gray background, medical concept, disease entity,

sma spinal muscular atrophy disease medicine concept dna gene biology disorder genetic science medical chromosome neuromuscular structure research helix genes evolution biotechnology spiral code carcinogen molecule genome mutation infant biochemistry molecular treatment damage technology onset care smn microscopic neuron form areflexia vector werdnighoffmann health type atrophy stethoscope acronym wooden blocks gray background entity copy space