外生骨疣; 外生性骨疣
Exostosis \Ex`os*to"sis\, n. [NL., fr. Gr. ?; ? out + ? bone:
cf. F ? exostose.]
1. (Med.) Any protuberance of a bone which is not natural; an
excrescence or morbid enlargement of a bone. --Coxe.
2. (Bot.) A knot formed upon or in the wood of trees by
disease.
exostosis
n : a benign outgrowth from a bone (usually covered with
cartilage)
[also: {exostoses} (pl)]