656 



DISSECTION OF THE PHARYNX. 



of longitudinal fibres derived from the stylo-pharyngeus and palato- 

 Pharyngeai pharyngeus. Externally the constrictor muscles are covered by a 



fascia. 



Fia. 232. EXTERNAL VIEW OP THE PHARYNX (ILLUSTRATIONS OF 

 DISSECTIONS). 



Muscles : 



A. Inferior constrictor 



B. Middle constrictor, 

 c. Upper constrictor. 

 . Stylo-pharyngeus. 

 P. Levator palati. 



H. Tensor palati. 

 i. Buccinator. 

 K. Hyo-glossus. 



Nerves : 



1. Glosso-pharyngeal. 



2. Hypoglussal. 



3. Superior laryngeal. 



4. External laryngeal. 



5. Inferior, or recurrent, 



laryngeal. 



6. Lingual. 



fascia, which is continued forwards above, beneath the internal 

 pterygoid muscle, to the surface of the buccinator. 



