has part has part has_part characteristic of part of has modifier abnormal spinal cord ventral horn morphology Note that the synonym anterior column may refer to either the grey matter ventral horn or the white matter ventral column in the spinal cord. The synonym anterior horn may also refer to a region of the brain lateral ventricles. MP:0005112 MA:0001134 abnormal anterior horn morphology abnormal ventral horn morphology abnormal anterior column morphology any structural anomaly of the ventral grey column of the spinal cord MPheno.ontology abnormal spinal cord grey matter morphology morphology abnormal ventral horn of spinal cord