rectus
Definition
- 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.
Noun
-
any of various straight muscles
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