downward displacement of a vertebra because of destruction or softening of the one below it.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
spondylizema(spŏn″dĭl-ĭ-zē′mă) [Gr. spondylos, vertebra, + izema, depression]
Downward displacement of a vertebra caused by the disintegration of the one below it.
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