Aran-Duchenne muscular atrophy

atrophy /at·ro·phy/ (at´ro-fe)

1. a wasting away; a diminution in the size of a cell, tissue, organ, or part.

2. to undergo or cause atrophy.

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acute yellow atrophy  the shrunken, yellow liver which is a complication, usually fatal, of fulminant hepatitis with massive hepatic necrosis.

Aran-Duchenne muscular atrophy  spinal muscular a.

bone atrophy  resorption of bone evident in both external form and internal density.

Duchenne-Aran muscular atrophy  spinal muscular a.

healed yellow atrophy  macronodular cirrhosis.

Leber's hereditary optic atrophy  see under neuropathy.

lobar atrophy  Pick's disease (1).

myelopathic muscular atrophy  muscular atrophy due to lesion of the spinal cord, as in spinal muscular atrophy.

olivopontocerebellar atrophy  any of a group of progressive hereditary disorders involving degeneration of the cerebellar cortex, middle peduncles, ventral pontine surface, and olivary nuclei. They occur in the young to middle-aged and are characterized by ataxia, dysarthria, and tremors similar to those of parkinsonism.

optic atrophy  atrophy of the optic disk due to degeneration of the nerve fibers of the optic nerve and optic tract.

peroneal atrophy , peroneal muscular atrophy Charcot-Marie-Tooth disease.

physiologic atrophy  that affecting certain organs in all individuals as part of the normal aging process.

senile atrophy of skin  the mild atrophic changes in the dermis and epidermis that occur naturally with aging.

spinal muscular atrophy  progressive degeneration of the motor cells of the spinal cord, beginning usually in the small muscles of the hands, but in some cases (scapulohumeral type) in the upper arm and shoulder muscles, and progressing slowly to the leg muscles.

Sudeck's atrophy  post-traumatic osteoporosis.

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Aran-Duchenne muscular atrophy

[aran′do̅o̅shen′]

Etymology: François A. Aran, French physician, 1817-1861; Guillaume B.A. Duchenne, French neurologist, 1806-1875

a form of amyotrophic lateral sclerosis affecting the hands, arms, shoulders, and legs at the onset before becoming more generalized.