関かん節せつ

noun

joint (anatomy)

Refers to the anatomical connection between bones, such as the knee, elbow, or finger joints. Also used in compound terms like 関節炎 (arthritis).

• 年としをとると、膝ひざの関かん節せつが痛いたくなることがある。

  As you get older, your knee joints may start to hurt.