has part has part has_part characteristic of has modifier abnormal brain ventricle morphology dilated brain ventricle cerebral ventricle dilation dilated cerebral ventricles dilated brain ventricles brain ventricular dilation csmith MP:0012676 2014-03-19T14:17:54Z cerebral ventricular dilation MPheno.ontology brain ventricle dilation the luminal space of one or more of the four communicating cavities within the brain that are continuous with the central canal of the spinal cord is increased in volume or area, usually with an increase in contained fluid dilated cerebral ventricle abnormal dilated brain ventricle