pelvospondylitis ossificans

[spŏn′dl-ītĭs ŏ-sĭfĭ-kănz′]

n.

Deposit of bony substance between the vertebrae of the sacrum.

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