noun
phalanx; phalange
Anatomical term for a finger or toe bone. In medical contexts, 指骨 usually refers to finger phalanges, while 趾骨 (しこつ) specifically refers to toe phalanges.
See also: 趾骨
指骨の骨折は、スポーツでよく見られる。
Fractures of the phalanx are common in sports.
解剖学の授業で指骨の構造を学んだ。
We learned the structure of the phalanges in anatomy class.