hippocampus pyramidal cell morphology trait Trait.ontology hippocampus pyramidal neuron morphology trait 2010-04-06T01:09:49Z caripark VT:0010108 hippocampus projection neuron morphology trait Any measurable or observable characteristic related to the shape, structure, color, or pattern of the projection neurons in the pyramidal layer of the hippocampus. hippocampus neuron morphology trait hippocampus pyramidal cell layer morphology trait