Disease or Syndrome
mitochondrial myopathy
Subclass of:
Mitochondrial Diseases; Myopathy
Definitions related to mitochondrial myopathies:
  • (mitochondrial myopathy) A type of myopathy associated with mitochondrial disease and characterized by findings on biopsy such as ragged red muscle fibers.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (mitochondrial myopathy) Myopathy caused by mitochondrial abnormalities.
    NCI
    U.S. National Cancer Institute, 2021
  • A group of muscle diseases associated with abnormal mitochondria function.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Mitochondrial myopathies are muscle disorders inherited through faulty genes in the mitochondria or in the nuclear genes that control mitochondrial function. The muscles and organs such as the brain, nerves, and retinas are affected.
    Merck Manuals
    Merck & Co., Inc., 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.