mineral amount cerebrospinal fluid homeostasis trait cerebrospinal fluid mineral amount CMO:0001243 caripark CSF mineral amount VT:0010456 Trait.ontology The proportion, quantity, or volume in cerebrospinal fluid (largely secreted by the choroid plexuses of the ventricles of the brain, filling the ventricles and the subarachnoid cavities of the brain and spinal cord) of any inorganic element or compound that has importance in body functions. 2012-10-23T01:30:22Z