Term: muscle mitochondrial matrix
Name: muscle
Synonyms: muscles
Definition: Portion of tissue composed of contractile fibers.
Ontology: Anatomy Ontology [ZFA:0005145]

Name: mitochondrial matrix
Synonyms: mitochondrial lumen, mitochondrial stroma
Definition: The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.
Ontology: GO: Cellular Component [GO:0005759]    QuickGO    AmiGO