calculated brain ventricle morphological measurement brain ventricle width to brain width ratio 2013-12-02T13:44:55Z A calculated measurement in which the width, i.e., the linear extent from side to side, of one or more brain ventricles is divided by the width of the whole brain and presented as a ratio, fraction, quotient or percentage. CMO:0001974 JSmith MA:0000818 clinical_measurement_ontology