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|Noun||1.||plica vocalis - either of two pairs of folds of mucous membrane projecting into the larynx|
larynx, voice box - a cartilaginous structure at the top of the trachea; contains elastic vocal cords that are the source of the vocal tone in speech
false vocal cord, false vocal fold, superior vocal cord, ventricular fold, vestibular fold - either of the upper two vocal cords that are not involved in vocalization