ecchondroma ec·chon·dro·ma (ěk'ən-drō'mə)
n. pl. ec·chon·dro·mas or ec·chon·dro·ma·ta (-mə-tə)
A cartilaginous tumor arising as an overgrowth from normally situated cartilage, such as a mass protruding from the articular surface of a bone. Also called ecchondrosis.
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