diastematomyelia

[dī′ə-stē′mə-tō-mī-ēlē-ə]

n.

A congenital defect in which the spinal cord is divided into halves by a bony or cartilaginous septum, often seen in spina bifida.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.