Cricoarytenoid muscle
Encyclopedia
Cricoarytenoid muscles are muscles that connect the cricoid cartilage and arytenoid cartilage
Arytenoid cartilage
The arytenoid cartilages are a pair of small three-sided pyramids which form part of the larynx, to which the vocal folds are attached...

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More specifically, it can refer to:
  • Posterior cricoarytenoid muscle
    Posterior cricoarytenoid muscle
    The posterior cricoarytenoid muscles are extremely small, paired muscles that extend from the posterior cricoid cartilage to the arytenoid cartilages in the larynx. By rotating the arytenoid cartilages laterally, these muscles abduct the vocal cords and thereby open the rima glottidis. Their action...

  • Lateral cricoarytenoid muscle
    Lateral cricoarytenoid muscle
    The lateral cricoarytenoid muscles extend from the lateral cricoid cartilage to the ipsilateral arytenoid cartilage. By rotating the arytenoid cartilages medially, these muscles adduct the vocal cords and thereby close the rima glottidis, protecting the airway...

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