Muscular Dystrophy

**Semantic type:** Disease or Syndrome

**Definition:** A group of inherited progressive muscle disorders characterized by muscle weakness and eventual death of the muscle tissues. Examples include Duchenne muscular dystrophy, Becker's muscular dystrophy, Emery-Dreifuss muscular dystrophy, facioscapulohumeral muscular dystrophy, and limb-girdle muscular dystrophy.