坐ざ骨こつ棘きょく

noun

ischial spine

Anatomical term referring to a bony projection on the ischium.

• 坐ざ骨こつ棘きょくは骨こつ盤ばんの一いち部ぶで、出しゅっ産さん時じに重じゅう要ような指標ひょうじとなる。

  The ischial spine is a part of the pelvis and serves as an important landmark during childbirth.