小しょう腰よう筋きん

noun

psoas minor muscle

Anatomical term for a small muscle in the lower back, often absent in some individuals.

• 小しょう腰よう筋きんは大だい腰よう筋きんの前ぜん面めんに位い置ちする小ちいさな筋きん肉にくです。

  The psoas minor muscle is a small muscle located on the front of the psoas major muscle.