has part has part has_part characteristic of has modifier abnormal brain morphology brain atrophy atrophic brain csmith acquired diminution of the size of the brain associated with wasting as from death and reabsorption of cells, diminished cellular proliferation, decreased cellular volume, pressure, ischemia, malnutrition, reduced function or malfunction, or hormonal changes 2014-01-01T11:30:46Z MPheno.ontology MP:0012506 abnormal atrophied brain