rectus

Thân thiện

The runner stretches her rectus muscles after a workout.

Definition

1. Noun:
   • Any of various straight muscles: A "rectus" is a type of skeletal muscle that typically has a relatively straight course or alignment in the body. These muscles are often named for their straight orientation and are found in several anatomical regions.

Usage Examples

• Noun:
  • The rectus abdominis is a key muscle for core stability.
  • During the eye examination, the doctor checked the function of the lateral rectus.
  • A strain in the rectus femoris can affect a runner's performance.

Advanced Usage

• Anatomical Terminology: The term "rectus" is almost exclusively used in anatomical and medical contexts to specify particular muscles. It is commonly part of a compound name.
  • The superior rectus muscle is responsible for elevating the eye.

Variants and Related Words

• Rectus abdominis (n): A paired muscle running vertically on each side of the anterior wall of the human abdomen.
• Rectus femoris (n): A muscle in the quadriceps group that runs straight down the thigh.
• Rectus sheath (n): The fibrous sheath formed by the aponeuroses of the abdominal muscles, enclosing the rectus abdominis.

Synonyms

• Straight muscle: A direct descriptive synonym, though "rectus" is the standard anatomical term.

Related Phrases

• Note: "Rectus" itself is not typically used in phrasal verbs or idioms. Its usage is fixed within anatomical nomenclature.

Học thuật

Noun

1. any of various straight muscles