Change: Action on Vocal Cords Tenses; adducts; elongatesMuscle Posterior cricoarytenoid*Origin Posterior surface of lamina of cricoid cartilageInsertion Muscular process of arytenoid cartilageNerve Recurrent laryngealAction on Vocal Cords Abducts; opens rima glottidis by rotating arytenoid cartilage laterallyMuscle Lateral cricoarytenoidOrigin Arch of cricoid cartilageInsertion Muscular   View changes from previous version. (Word count: 1123)

Change: *The posterior cricoarytenoid muscle draws the muscular process of the arytenoid cartilage posteriorly and thereby rotates the vocal process laterally, resulting in opening of the rima glottidis, whereas the lateral cricoarytenoid muscle draws the muscular process anteriorly and thereby rotates the vocalprocess medially.MuscleOriginInsertionNerveAction   View changes from previous version. (Word count: 988)

Change: Have vocal processes , which give attachment to the vocal ligament and vocalis muscle, and muscular processes , which give attachment to the thyroarytenoid muscle and the lateral and posterior cricoarytenoid muscles.Sits on the top of the cricoid cartilage and   View changes from previous version. (Word count: 331)

Change: p682◄.....Go back to the Gross Anatomy homepage   View changes from previous version. (Word count: 8)

Change: Created by AndyC Apr 19 2011, 10:00 AM EDT for: no reason given