Term: brain mitochondrial matrix
Name: brain
Synonyms: brain structure
Definition: Cavitated compound organ which is comprised of gray and white matter and surrounds the cerebral ventricular system.
Ontology: Anatomy Ontology [ZFA:0000008]

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