Three 

 Nasal 

 ducts 





289. Frontal Section through the Nasal Cavities. 

 After E. Zuckerkandl. 



/^p| ^:* 



itiunt front / IHa ''"V ".' 



Fossa betureen, 

 t.ant. insert. oft. 

 middle turbinat. I. 

 and t. Ethmoid, 

 labyrinth 



290. The Outer Wall of the Left Nasal Fossa. 



After E. Zuckerkandl. 



