CRICO-ARYTENOIDEUS

(Lat.), adj. Kri(kria)"ko(ko3)-ar- (a3r)-ia(u6 )-teu(ta3-e2n)-p(o3)-i2d(ed)'e2-u3s(u4s). Fr., crico-aryteno'ide. Crico-arytaenoid; as a n., a muscle having relations to the cricoid and the arytsenoid cartilages. C.-a. antic us, C.-a. anterior, C.-a. lateral is. Fr., crico-aryteno'idien lateral. Ger., seitlicher Ringgie kannenmuskel. A muscle arising from the upper border of the side of the cricoid cartilage and inserted into the external angle of the base of the arytsenoid cartilage. \Vith its fellow of the opposite side, it closes the glottis by rotating the arytaenoid cartilages inward. Cruveilhier regarded it as a dilator of the glottis. [H. Meyer (A, 262).] C. posticus. Fr., cricoaryteno'idien poster i eur. Ger., hinterer Ringgie kannenmuskel. A muscle arising from the posterior surface of the ericoid cartilage and inserted into the external angle of the base of the arytsenoid cartilage. With its fellow of the opposite side, it separates the vocal bands. [L.] [s. 445]