spondylitis deformans

[dē-fôrmănz′]
n.
  1. Arthritis and osteitis deformans involving the spinal column, marked by nodular deposits at the edges of the intervertebral disks, by ossification of the ligaments, and by bony ankylosis of the intervertebral articulations, resulting in a rounded kyphosis with rigidity.Bechterew's disease Strümpell's disease
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.