单词	Duchenne muscular dystrophy
释义	Duchenne muscular dystrophy noun Du·​chenne muscular dystrophy dü-ˈshen-  də- : a severe progressive X-linked muscular dystrophy of males marked by early childhood onset and absence of the protein dystrophin called also Duchenne's muscular dystrophy compare becker muscular dystrophy Word History Etymology Guillaume Armand Duchenne †1875 French neurologist First Known Use 1971, in the meaning defined above Medical Definition Duchenne muscular dystrophy noun variants also Duchenne's muscular dystrophy : a severe progressive form of muscular dystrophy of males that appears in early childhood, affects the muscles of the legs before those of the arms and the proximal muscles of the limbs before the distal ones, is inherited as an X-linked recessive trait, is characterized by complete absence of the protein dystrophin, and usually has a fatal outcome by age 20 —abbreviation DMD see becker muscular dystrophy
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