epiglottis

/,epi'glɔtis/

Thân thiện

The epiglottis closes over the windpipe during swallowing.

Definition

1. Noun:
   • A flap of cartilage that covers the windpipe while swallowing: The epiglottis is a thin, leaf-shaped structure located at the base of the tongue. Its primary function is to prevent food and liquid from entering the trachea (windpipe) during the act of swallowing, thereby directing them into the esophagus.

Usage Examples

• Noun:
  • The epiglottis closes over the glottis to protect the airway when you swallow.
  • Inflammation of the epiglottis, known as epiglottitis, is a serious medical condition.
  • The doctor explained how the epiglottis acts like a lid for the windpipe.

Advanced Usage

• Medical Context: The term is frequently used in medical, anatomical, and physiological contexts to describe its protective role in the respiratory and digestive systems.
  • During a laryngoscopy, the physician can observe the movement of the epiglottis.

Variants and Related Words

• Epiglottic (adj): Pertaining to the epiglottis.
  • The epiglottic cartilage is flexible.
• Epiglottitis (n): A serious inflammation of the epiglottis.
  • Epiglottitis requires immediate medical attention.

Synonyms

• Laryngeal lid: A descriptive synonym emphasizing its function.
• Glottis cover: Another descriptive term.

Notes

• The epiglottis is a specific anatomical structure. There are no phrasal verbs or idioms commonly associated with this term in everyday English. Its usage is almost exclusively technical.

Học thuật

Noun

1. a flap of cartilage that covers the windpipe while swallowing