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Yes there is 9 plates of cartilage in the Larynx. 3 of those are in pairs and the other 3 are individual. The 3 pairs are: Arytenoid, Corniculate, and cunieform. = 6 The 3 in â¦ dividuals are: Thyroid, Cricoid, and epiglottis. = 3 Which makes 9 plates of cartilage. 8 people found this useful.
A flap-like epiglottis closes the opening to the larynx during swallowing to prevent swallowed matter from entering the trachea. 1  The sternohyoid and sternothyroid muscles lie on top of the upper part of the trachea. 2  The thyroid gland also lies on top of the trachea, and lies below the cricoid cartilage.