直ちょっ筋きん

noun, noun, used as a suffix

rectus muscle; rectus

Anatomical term for a straight muscle, often used in compound muscle names like 腹直筋 (rectus abdominis).

• 腹ふく直ちょっ筋きんは腹ふく部ぶの前ぜん面めんにある筋きん肉にくです。

  The rectus abdominis is a muscle on the front of the abdomen.

• 大だい腿たい直ちょっ筋きんは太ふとももの前ぜん面めんにある筋きん肉にくの一ひとつです。

  The rectus femoris is one of the muscles on the front of the thigh.