An American text-book of physiology . i;enoid cartilage, behind and above the insertion of the lateral crico-arytenoid(Fig. 300). Its action is to turn the vocal processes outward and thus abduct thevocal cords. The posterior crico-arytenoid occupies an important position in thegroup of respiratory muscles; during vigorous inspiration it is brought into action. Fig. 298.—Lateral view of thecartilages of larynx with the crico-thyroid muscle {Qiiaini Anatomy,after Willis): 1, crico-thyroid mus-cle : 2, crico-thyroid membrane; 3,cricoid cartilage; 4, thyroid carti-lage ; 5, upper rings of the tra
An American text-book of physiology . i;enoid cartilage, behind and above the insertion of the lateral crico-arytenoid(Fig. 300). Its action is to turn the vocal processes outward and thus abduct thevocal cords. The posterior crico-arytenoid occupies an important position in thegroup of respiratory muscles; during vigorous inspiration it is brought into action. Fig. 298.—Lateral view of thecartilages of larynx with the crico-thyroid muscle {Qiiaini Anatomy,after Willis): 1, crico-thyroid mus-cle : 2, crico-thyroid membrane; 3,cricoid cartilage; 4, thyroid carti-lage ; 5, upper rings of the trachea. VOICE AND SPEECH. 867 and widens the glottis. Paralysis of tliis muscle is a most serious condition, sinceit is followed by ai)})roximation of, and inability to separate, the vocal arytenoid, or trmisvase or posterior arytenoid muscle, the single unpaired
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Keywords: ., bookautho, bookcentury1800, bookdecade1890, booksubjectphysiology
