Larynx Flashcards
Cricothyroid origin
Cricoid cartilage
Cricothyroid insertion
Thyroid cartilage
Cricothyroid innervation
External branch of superior laryngeal nerve (CN X)
Cricothyroid action
Increases tension on vocal fold
Thyroarytenoid origin
Thyroid cartilage
Thyroarytenoid insertion
Arytenoid cartilage
Thyroarytenoid innervation
Recurrent laryngeal nerve (CN X)
Thyroarytenoid action
Sphincter of laryngeal vestibule
Vocalis origin
Thyroid cartilage
Vocalis insertion
Arytenoid cartilage (vocal process)
Vocalis innervation
Recurrent laryngeal nerve (CN X)
Vocalis action
Adjusts tension of vocal fold
Posterior cricoarytenoid origin
Cricoid cartilage (posterior aspect)
Posterior cricoarytenoid insertion
Arytenoid cartilage (muscular process)
Posterior cricoarytenoid innervation
Recurrent laryngeal nerve (CN X)