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Definition 2024

MERRF_syndrome

MERRF syndrome

English

Proper noun

MERRF syndrome

  1. A rare mitochondrial disease characterized by progressive myoclonic epilepsy and clumps of diseased mitochondria that accumulate in the subsarcolemmal region of the muscle fiber and appear as "ragged red fibers" when stained.

Etymology

Short for "myoclonic epilepsy with ragged red fibers".

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