Definition

1. Noun:
   • A facial muscle: The buccinator muscle is a thin, flat muscle located in the cheek, between the upper and lower jaws. Its primary actions are to flatten the cheek against the teeth and to retract the angle of the mouth. It is essential for activities like blowing, whistling, and chewing.

Usage Examples

• Noun:
  • The buccinator muscle is activated when you play a wind instrument.
  • To blow out a candle, you must contract your buccinator muscle.
  • The dentist explained that the buccinator muscle helps keep food in the correct position for chewing.

Advanced Usage

• Anatomical context: The term is primarily used in medical, dental, and anatomical discussions.
  • The buccinator muscle is innervated by the buccal branch of the facial nerve.
• Comparative anatomy: Used when discussing muscle function across different species.
  • In humans, the buccinator muscle is more developed for speech articulation compared to other primates.

Variants and Related Words

• Buccinator (noun): Often used alone as a shortened form of "buccinator muscle."
  • The buccinator is one of the muscles of facial expression.
• Buccal (adjective): Relating to the cheek or mouth. This is the adjectival form.
  • The buccal cavity is the area inside the cheek.

Synonyms

• Cheek muscle: A general, non-technical term.
• Musculus buccinator: The full Latin anatomical term.

Related Phrases

• "Buccinator mechanism": A functional anatomical term referring to the combined action of the buccinator and related muscles.
  • The buccinator mechanism is crucial for maintaining the shape of the oral cavity during swallowing.

Noun

1. a muscle that flattens the cheek and retracts the angle of the mouth