abnormal olfactory bulb mitral cell layer morphology abnormal mitral cell morphology 2010-02-04T12:52:28Z MP:0009954 MPheno.ontology abnormal mitral neuron morphology any structural anomaly of the large glutaminergic nerve cells whose dendrites synapse with axons of the olfactory receptor neurons in the glomerular layer of the olfactory bulb, and whose axons pass centrally in the olfactory tract to the olfactory cortex csmith