has part has part has_part characteristic of part of has modifier abnormal olfactory bulb morphology abnormal postnatal subventricular zone morphology abnormal olfactory bulb subventricular zone morphology MPheno.ontology abnormal olfactory bulb subependymal plate abnormal olfactory bulb subependymal zone morphology 2010-02-04T11:38:44Z any structural anomaly of the region of mitotically active layer of cells surrounding the lateral brain ventricles that consists of migrating neuroblasts, astrocytes and transitory amplifying progenitor cells, that produce neurons that migrate to the olfactory bulb MP:0009952 MA:0000974 abnormal olfactory bulb SVZ morphology abnormal olfactory bulb SEZ morphology abnormal olfactory bulb subependymal layer csmith morphology abnormal olfactory bulb subependymal zone