内生软骨瘤
Enchondroma \En`chon*dro"ma\, n. [NL., fr. Gr. ? in + ? cartilage + -oma.] (Med.) A cartilaginous tumor growing from the interior of a bone. --Quain.
enchondroma n : benign slow-growing tumor of cartilaginous cells at the ends of tubular bones (especially in the hands and feet) [also: {enchondromata} (pl)]