has part has part has_part characteristic of part of has modifier abnormal spinal cord morphology abnormal spinal cord white matter morphology any structural anomaly of the regions of the spinal cord that are largely or entirely composed of myelinated nerve cell axons and contain few or no neural cell bodies or dendrites MPheno.ontology abnormal spinal cord white substance morphology MA:0000910 MP:0008027 abnormal spinal cord alba morphology morphology abnormal white matter of spinal cord