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; t, 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.) 



