mitochondrial disorders


mitochondrial disorders

a group of diverse hereditary disorders caused by genetic mutation of mitochrondrial DNA; includes ragged red fiber myopathy; progressive external ophthalmoplegia; Leigh syndrome; myoclonic epilepsy with ragged red fiber myopathy (MERRF); mitochondrial myopathy, encephalopathy, lactic cidosis, and stroke (MELAS); and Lieber optic neuropathy.

mi·to·chon·dri·al dis·or·ders

(mī'-tō-kon'drē-ăl dis-ōr'dĕrz) Diverse hereditary disorders caused by genetic mutation of mitochrondrial DNA.