part of contributes to morphology of gray matter spinal cord gray matter of spinal cord BAMS:Scgrey spinal cord gray matter NLXANAT:100204 grey substance of spinal cord SCTID:279441003 neuronames:2619 NCIT:C32696 gray matter of spinal cord MA:0000002 The ridge-shaped grey matter of the spinal cord that extends longitudunally through the center of each half of the spinal cord, and are largely or entirely composed of nerve cell bodies and their dendrites and some supportive tissue. DHBA:146035048 grey matter of spinal cord FMA:256580 gray substance of spinal cord EMAPA:35792 UBERON:0002315 spinal cord grey matter spinal cord grey substance