7 28 



VOICE AND SPEECH. 



[CH. LIV. 



broad portion of the cricoirl are (i) the arytenoid cartilages (fig. 550. 7). 

 the connection between the cricoid below and arytenoid cartilages above 

 is a joint with synovial membrane and ligaments, the latter permitting 



Fig. 550. Cartilages of the larynx seen from the front, i to 4, thyroid cartilage ; 

 i, vertical ridge or pomum Adami ; 2, right ala ; 3, superior, and 4, inferior cornu 

 of the right side ; 5, 6, cricoid cartilage; 5, inside of the posterior part; 6, anterior 

 narrow part of the ring ; 7, arytenoid cartilages, x }. 



tolerably free motion between them. But although the arytenoid cartilages 

 can move on the cricoid, they accompany the latter in all its movements. 

 The base by means of which each arytenoid cartilage sits on the cricoid 



Lag. ary-epiglott.-.^ 



Cart. Wrisbergii 

 Cart. Santorini 



Cart, aryten, 

 Proc. muscul 



Lig. crico-aryten. 

 Lig. cerato-crico. post. sup. 



Cornu infer, 

 Lig. cerato-crico. post. inf. 



Cart, tracheae 



_. Pars membran. 



Fig. 551. The larynx as seen from behind after removal of the muscles. The cartilages 

 and ligaments only remain. (Stoerk.) 



is triangular ; the anterior angle is often called the vocal process : to it the 

 posterior ends of the true vocal cords are attached. The outer angle is thick 

 and called the muscular process. 



The cornicular cartilages, or cartilages of Santorini. are perched on the 

 top of the arytenoids ; the cuneiform cartilages, or cartilages of Wrisberg, 



