osteochondroma

[ŏs′tē-ō-kŏn-drōmə]

n.

A benign cartilaginous neoplasm that consists of a pedicle of normal bone covered with a rim of proliferating cartilage cells.

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