<radiology> True duplication of spinal cord, two dural sacs, two pairs of anterior and posterior nerve roots, distinguish from diastematomyelia ... (12 Dec 1998) ... 
(dip″lo-mi-e´le-ә) lengthwise fissure and seeming doubleness of the spinal cord.
Type: Term Pronunciation: dip′lō-mī-ē′lē-ă Definitions: 1. Complete or incomplete doubling of the spinal cord; may be accompanied by a bony septum of the vertebral canal.