ragged red fibers

ragged red fibers
muscle fibers characterized by large collections of structurally abnormal mitochondria below the sarcolemmal surface and within the fiber itself that stain red with Gomori trichrome stain; seen in mitochondrial myopathy and occasionally in other myopathic disorders.

Ragged red fibers in mitochondrial myopathy (Gomori trichrome stain).


Medical dictionary. 2011.

Look at other dictionaries:

  • ragged red fibers — noun irregular muscle fibres in some DNA disorders …   Wiktionary

  • MERRF syndrome — Classification and external resources Example of ragged red fibers in MELAS syndrome. ICD 10 G …   Wikipedia

  • Kearns–Sayre syndrome — Kearns Sayre syndrome Classification and external resources ICD 10 H49.8 ICD 9 277.87 …   Wikipedia

  • Mitochondrial myopathy — Classification and external resources Simplified structure of a typical mitochondrion ICD 10 G …   Wikipedia

  • Chronic progressive external ophthalmoplegia — Classification and external resources ICD 10 H49.4 ICD 9 378.72 …   Wikipedia

  • Mitochondrial disease — Classification and external resources Micrograph showing ragged red fibres, a finding seen in mitochondrial diseases. Muscle biopsy. Gomori trichrome stain …   Wikipedia

  • Chronic Progressive External Ophthalmoplegia — (CPEO) is one manifestation in a constellation of associated mitochondrial DNA mutation known as mitochondrial myopathy or cytopathy that cause ocular motility disturbances. Introduction CPEO is a rare disease that may affect those of all ages,… …   Wikipedia

  • MERRF-Syndrom — Klassifikation nach ICD 10 G31.81 Mitochondriale Zytopathie MERRF Syndrom …   Deutsch Wikipedia

  • Síndrome MERRF — Ejemplo de “fibras rojas rotas” en síndrome MERRF. Clasificación y recursos externos …   Wikipedia Español

  • MERRF — Acronym for myoclonic epilepsy with ragged red fiber myopathy. One of the mitochondrial disorders, this condition is caused by a point mutation of the mitochondria genome locus 8344, where transfer RNA is coded. * * * myoclonus epilepsy with… …   Medical dictionary

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