HEAD AND NECK 



to the larynx. Below the soft palate there are three 

 openings into the pharynx, viz. the opening of the mouth or 

 isthmus faucium, the opening of the larynx, and the opening of 

 the oesophagus. 



Middle nasal concha 



Middle meatus 



Atrium 



Inferior 

 nasal cond 

 Inferior meatus 



Vestibule of 

 nasal cavity 



M. genioglossu 

 M. geniohyoideu 



M. mylohyoideus 



Hyoid bone 

 Cartilage of epiglottis 



Thyreoid cartilage 



Superior meatus 



Recessus spheno-ethmoidalis 

 /Sphenoidal sinus 

 Hypophysis 



/Pharyngeal recess 

 Pharyngeal tonsil 



---Orifice of auditory tube 



Upper surface 



of soft palate 



Salpingo-pharyngeal 



fold 



Pharyngo-palatine 



arch 



Palatine tonsil 



Pharyngeal surface 

 of tongue 



Epiglottis 



Cuneiform tubercle 



Corniculate cartilage 

 Laryngeal ventricle 

 Cricoid cartilage 



FIG. no. Sagittal section, a little to the right of the median plane, 

 through the Nasal Cavity, the Mouth, Pharynx, and Larynx. 



Pars Nasalis. The naso-pharynx is situated immediately 

 posterior to the nasal cavities and below the body of the 

 sphenoid and the basilar part of the occipital bone. It is the 

 widest part of the pharynx. Its walls, except the soft palate, 

 are not capable of movement, and, consequently, its cavity 



