THE PHARYNX. 



1597 



posterior diameter in the median line is greatest in the naso-pharynx, — about 2 cm. 

 The back of the lower part of the soft palate is less than half that distance from the 



Fig. 1353. 



Frontal sitius 



\ 





'>*w.>.s 



Limen- 

 vestibuli 



Oral vestibule 



Pterygo-mandibular fold- 

 Anterior pillar of fauces — ^ 



Oral cavity. 



Genio-glossus 



Genio-hyoid 

 Hyoid bone. 



Sella turcica 



Sphenoidal 



sinus 



Naso-pharyngeai 

 \ fold 



.i — Fossa of Rosenmiiller 

 Eustachian tube 

 -pharyngeal tonsil 

 -^.Salpingo-palatine fold 



_ -, / „ -^ Salpingo- 



f /'^/ \ ' pharyngeal fold 



Uvula 

 Faucial tonsil 



Posterior wall of 

 pharynx 



— =1.2— Palato-pharyngeal 



Pharyngo-epiglottic 

 fold 



Epiglottis 



■h. Cuneiform tubercle 



Tubercle of Santorini 



Cricoid cartilage 



Cricoid cartilage 



Tracheal cartilage. 



'■'..^k, 1 oesophagus 



Sagittal section of head, slightly to right oi median plane; tongue has been pulled down. 



posterior pharyngeal wall. The greatest depth in this direction (3-4 cm.) is at the 

 side, from the anterior pillar to the posterior wall. Behind the cricoid cartilage the 



