auricle
/'ɔ:rikl/
Definition
- Noun:
- The externally visible cartilaginous structure of the external ear: The part of the ear that is on the outside of the head, also commonly called the pinna.
- A small conical pouch projecting from the upper anterior part of each atrium of the heart: An ear-shaped anatomical part, specifically an appendage of the atrium of the heart.
Examples of Usage
Noun (Anatomy of the ear):
- The doctor examined the patient's auricle for signs of infection.
- In many mammals, the auricle can be moved to help collect sound.
Noun (Anatomy of the heart):
- The right auricle receives deoxygenated blood from the body.
- Blood can sometimes pool in the auricle, increasing the risk of clot formation.
Advanced Usage
- "Auricular" (adjective): Pertaining to the auricle or the ear.
- The auricular muscles are responsible for moving the external ear in some animals.
Variants and Related Words
- Pinna: A synonym for the external part of the ear (auricle).
- Atrial appendage: A more precise clinical term for the heart's auricle.
Synonyms
- For the ear: Pinna, external ear.
- For the heart: Atrial appendage.
Related Phrases
- Auricular fibrillation: A common but potentially serious type of irregular heartbeat (arrhythmia) that often begins in the atria, which include the auricles. (Note: The more common medical term is "atrial fibrillation").
Noun
- the externally visible cartilaginous structure of the external ear
- a small conical pouch projecting from the upper anterior part of each atrium of the heart
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