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  2. Posterior cricoarytenoid muscle - Wikipedia

    en.wikipedia.org/wiki/Posterior_cricoarytenoid...

    The posterior cricoarytenoid muscle is a (bilaterally paired) intrinsic muscle of the larynx. It arises from the cricoid cartilage; it inserts onto the arytenoid cartilage of the same side. It is innervated by the recurrent laryngeal nerve. Each acts to open the vocal folds by pulling the vocal fold of the same side laterally.

  3. Cricoid cartilage - Wikipedia

    en.wikipedia.org/wiki/Cricoid_cartilage

    The function of the cricoid cartilage is to provide attachments for the cricothyroid muscle, posterior cricoarytenoid muscle and lateral cricoarytenoid muscle muscles, cartilages, and ligaments involved in opening and closing the airway and in speech production. [citation needed]

  4. Cricoarytenoid muscle - Wikipedia

    en.wikipedia.org/wiki/Cricoarytenoid_muscle

    Cricoarytenoid muscles are muscles that connect the cricoid cartilage and arytenoid cartilage. More specifically, it can refer to: Posterior cricoarytenoid muscle

  5. Arytenoid cartilage - Wikipedia

    en.wikipedia.org/wiki/Arytenoid_cartilage

    The posterior surface is triangular, smooth, concave, and gives attachment to the arytenoid muscle and transversus.. The antero-lateral surface is somewhat convex and rough. On it, near the apex of the cartilage, is a rounded elevation (colliculus) from which a ridge (crista arcuata) curves at first backward and then downward and forward to the vocal process.

  6. Arytenoid adduction - Wikipedia

    en.wikipedia.org/wiki/Arytenoid_Adduction

    The suture placed in the arytenoid adduction procedure mimics the action of the lateral cricoarytenoid muscle and pulls the vocal process of the arytenoid cartilage medially and inferiorly. [8] Thus arytenoid adduction can correct the vertical position of an elevated vocal cord.

  7. Cricoarytenoid joint - Wikipedia

    en.wikipedia.org/wiki/Cricoarytenoid_joint

    The cricoarytenoid joint is a joint connecting the cricoid cartilage and the arytenoid cartilage. It is a very shallow ball-and-socket joint. It allows for rotation and gliding motion. This controls the abduction and adduction of the vocal cords.

  8. Recurrent laryngeal nerve - Wikipedia

    en.wikipedia.org/wiki/Recurrent_laryngeal_nerve

    The posterior cricoarytenoid muscles, the only muscles that can open the vocal folds, are innervated by this nerve. The recurrent laryngeal nerves are the nerves of the sixth pharyngeal arch. The existence of the recurrent laryngeal nerve was first documented by the physician Galen.

  9. Rima glottidis - Wikipedia

    en.wikipedia.org/wiki/Rima_glottidis

    The rima glottidis is closed by the lateral cricoarytenoid muscles and the arytenoid muscle, and opened by the posterior cricoarytenoid muscles.All of these muscles receive innervation from the recurrent laryngeal nerve which is a branch of the vagus nerve (CN X).