Rectus (Noun)
Meaning
Any of various straight muscles.
Classification
Nouns denoting body parts.
Examples
- The rectus abdominis muscle is a long, flat muscle in the abdominal wall that helps to flex the vertebral column.
- The rectus femoris muscle is one of the four muscles that make up the quadriceps femoris, which is responsible for knee extension.
- Rectus capitis posterior major is a muscle in the back of the neck, and it originates from the posterior tubercle of the arch of the atlas.
- The rectus sheath is a channel of fibrous tissue in the anterior abdominal wall that contains the rectus abdominis muscle and the structures that accompany it.
- Psoas major, iliacus and rectus femoris are the muscles of the front of the hip and pelvis area.