intramedullary

[ ĭn′trə-mĕdl-ĕr′ē, -mə-dŭlə-rē ]

adj.

Within the bone marrow.
Within the spinal cord.
Within the medulla oblongata.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.