brain morphological measurement brain molecular composition measurement 2014-01-24T15:12:26Z Any quantitation of the molecules, atoms and/or ions which constitute the chemical make-up of the brain, the portion of the central nervous system enclosed within the cranium which is composed of gray matter and white matter and is the primary center for the regulation and control of bodily activities, receiving and interpreting sensory impulses, and transmitting information to the muscles and body organs. CMO:0002066 JSmith clinical_measurement_ontology tissue molecular composition measurement