1098 



SURGICAL AND TOPOGRAPHICAL ANATOMY 



Fig. 672.— Sectiux of the Nose, .showing the Tirbixal Boxes axd JIeatuses, 



WITH the OPEXIXGS IX DOTTED OUTLIXE. 



Frontal sinus 

 Orifice of middle ethmoidal cells 



SUPERIOR TURBINAL BONE / .^.^-<r^\\\ 



Orifice of the posterior ethmoidal cells 

 Orifice of the sphenoidal sinus 

 inus \ 



V 



Sphenoidal ai 



Orifice of frontal sinus 



UPPER ORIFICE OF 

 NASAL DUCT 



ORIFICE OF EUSTACHIAN 

 TUBE 



LOWER ORIFICE OF NASAL DUCT 

 MIDDLE TURBINAL BONE 



INFERIOR TURBINAL BONE ORIFICE OF THE ANTRUM ORIFICE OF INFUNDIBULUM 



Fig. 673. — Sectiok showixg Boxy and Caktilagixous Septum. 

 The dotted line indicates the course of the anterior palatine canal. 



Frontal sinus 



Sphenoidal sinus 



UPPER LATERAL CARTILAGE 



Groove between septal 

 and upper lateral 

 cartilage 



LOWER LATERAL CARTILAGE 



THICKENED BORDER OF CARTILAGE RESTING , ,-o„nn nr „r,r,»,- 



UPON ANTERIOR NASAL SPINE Incisive papilla \ ei^rel^Vxy'^i^men- I ORIFICE OF^E^USTACHIAN 



SEPTAL CARTILAGE ^o"'" c^'^bX SOFT PALATE 



