English Dictionary

boutonniere deformity

noun

A deformed position of the fingers or toes, in which the joint nearest the knuckle is permanently bent toward the palm while the farthest joint is bent away from it.

He has a boutonniere deformity in his fingers.

意味（1）

A deformed position of the fingers or toes, in which the joint nearest the knuckle is permanently bent toward the palm while the farthest joint is bent away from it.