interphalangeal joint; knuckle joint
Anatomical term for the joints between finger bones. In everyday language, often referred to as 指の関節.
Pain in the finger joints may be a symptom of arthritis.
解剖学の授業で、指関節の構造を学んだ。
In anatomy class, we learned about the structure of the interphalangeal joints.
Compound of 指 (finger) and 関節 (joint). A straightforward medical term.