definition muscular dystrophy
Medical Definition of MUSCULAR DYSTROPHY. : any of a group of hereditary diseases characterized by progressive wasting of musclesâcalled also progressive muscular dystrophy; see becker muscular dystrophy, duchenne muscular dystrophy.ull Definition of MUSCULAR DYSTROPHY. : any of a group of hereditary diseases characterized by progressive wasting of muscles â compare Becker muscular dystrophy, Duchenne muscular dystrophy. See muscular dystrophy defined for English-language learners.