AND PHYSIOLOGY. 



202 



Fig. 263. 



Cartilages of Larynx and Epiglottis, a. Arytenoid, h. Its Superior Cornu. c. In- 

 ferior Cornu. d. Cricoid. /. Perforation of Epiglottis, i. Upper Part of Thyroid. 

 t. Trachea, h. Tubercle. 



pass between the different cartilages, and are of use in regu- 

 lating the size of the glottis and the tension of the vocal cords, 

 while the three remaining go from the epiglottis to the dif- 

 ferent parts of the larynx, solely for the purpose of moving 

 this valve to aid in articulation and closure of this passage to 

 the lungs. 



Which move the cartilages, and which are distributed mainly t# the epiglottis? 



13 



