Definition

1. Noun:
   • A fold of mucous membrane in the larynx: The false vocal fold is one of two thick, fleshy folds of tissue located above the true vocal folds (vocal cords) in the larynx (voice box).
   • A non-vibrating structure: Unlike the true vocal folds, the false vocal folds are not primarily used for phonation (producing voice). Their primary functions are protective and respiratory.

Examples of Usage

• Noun:
  • During a laryngoscopy, the doctor noted that the false vocal fold was slightly swollen.
  • The false vocal folds help to close the airway during swallowing to prevent food from entering the trachea.
  • Some singers learn to use their false vocal folds to produce a specific type of growling or distortion in their voice.

Advanced Usage

• "False vocal fold phonation": Refers to the uncommon or learned use of the false vocal folds to produce sound, as in certain styles of singing (e.g., death metal growls, Tuvan throat singing) or pathological conditions.
  • The technique involves a controlled vibration of the false vocal fold.

Variants and Related Words

• Vestibular fold: The more precise anatomical term for the false vocal fold.
• Ventricular fold: Another synonym for the false vocal fold.
• True vocal fold / True vocal cord: The lower pair of folds that are the primary source of vocal sound through vibration.
• Vocal cords / Vocal folds: The general term encompassing both the true and false vocal folds.

Synonyms

• Vestibular fold
• Ventricular fold
• Superior vocal cord (less common)

Related Phrases

• False vocal cord dysfunction: A condition where the false vocal folds close inappropriately during breathing, causing airway obstruction.
  • The patient's stridor was diagnosed as false vocal cord dysfunction.

Noun

1. either of the upper two vocal cords that are not involved in vocalization