mitochondrial matrix

(redirected from matrix mitochondrialis)

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.

mitochondrial matrix

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