boutonniere deformity

名詞

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.

日本語の意味

指または足の指において、最初の関節（掌に近い方の関節）が恒常的に掌側に曲がり、最後の関節（遠位の関節）が反対方向に曲がる変形状態。

このボタンはなに？

After the fall, the pianist developed a boutonniere deformity that made it difficult to straighten the middle joint of his finger.

転倒後、そのピアニストは指にボタン穴変形を生じ、基節の近位関節が掌側に曲がり、末節側の関節が背側に反ってしまったため、中節関節をまっすぐに伸ばすことが難しくなった。

詳細

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.

boutonniere deformities （ plural ）