mitochondrial matrix


mi·to·chon·dri·al ma·trix

the substance occupying the space enclosed by the inner membrane of a mitochondrion; it contains enzymes, filaments of DNA, granules, and inclusions of protein crystals, glycogen, and lipid. Synonym(s): matrix mitochondrialis

mitochondrial matrix

The inner mitochondrial compartment, which contains soluble enzymes associated with the oxidation of pyruvate, fatty acids and the Krebs cycle.