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Definition of Mitochondrial matrix
1. Noun. (biology) The material within the space, enclosed by the mitochondrial inner membrane. It is composed of enzymes, DNA filaments, granules, protein crystals, glycogen, and lipid. ¹
¹ Source: wiktionary.com
Medical Definition of Mitochondrial matrix
1. The substance occupying the space enclosed by the inner membrane of a mitochondrion; it contains enzymes, filaments of DNA, ribosomes, granules, and inclusions of protein crystals, glycogen, and lipid. Synonym: mitochondrial matrix. (05 Mar 2000)