膝蓋骨

Meanings

1. Noun

   kneecap; patella

• 膝ひざの前面ぜんめんにある平ひらたい皿さら状じょうの骨ほねは膝蓋骨しつがいこつと言いいます。

  The flat, dish-shaped bone in front of the knee joint is called the patella.