134' 



RESPIRATION 



FIG. 48. Outline showing the general form of the larynx, trachea, 

 and bronchi, as seen from behind. 



h, great cornu of the hyoid bone; *, superior, and t' the inferior, cornu of 

 the thyroid cartilage; e, epiglottis; a, points to the back of both the arytenoid 

 cartilages, which are surmounted by the cornicula; c, the middle ridge on the 

 back of the cricoid cartilage; tr, the posterior membranous part of the trachea; 

 b, b', right and left bronchi. (Kirkes after Allen Thomson.) 



