Morphological central nervous system abnormality Abnormal spinal cord dorsal column morphology 2012-03-12T07:39:12Z An abnormality of the dorsal columns, i.e., of the dorsal portion of the gray substance of the spinal cord. The dorsal column consists of the fasciculus gracilis and fasciculus cuneatus and itself is part of the dorsal funiculus. Abnormality of the dorsal column of the spinal cord UMLS:C4023376 The dorsal column represents an ascending pathway mediating well-localized fine touch and conscious proprioception. HP:0011397