part of part_of part of part_of contributes to morphology of gray matter spinal cord gray matter of spinal cord BAMS:Scgrey DHBA:146035048 EMAPA:35792 FMA:256580 MA:0000002 NCIT:C32696 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. UBERON:0002315 UMLS:C0475853 gray matter of spinal cord gray substance of spinal cord grey matter of spinal cord grey substance of spinal cord spinal cord gray matter spinal cord grey matter spinal cord grey substance substantia grisea medullae spinalis uberon