myelosis

[mī′ə-lōsĭs]

n. pl. -ses (-sēz)

Abnormal proliferation of bone marrow tissue.
Abnormal proliferation of medullary tissue in the spinal cord.

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