Nasal Opening of Antrum 

 Inferior Wall of Orbit ^ 



Tuberosity of Maxilla 



Antrum 



— Lateral Incisor Tcioth 



Canine Tooth 

 1st Molar Tooth 1st Bicuspid Tooth 



Fig. 40. Antrum of Highmore with Roots of Teeth. 



Nat. Size. 



Supra-orbital _ 

 Nerve 



Right Frontal 

 Sinus 



Frontal Bone 



Frontal Process 

 of Maxilla 



Nasal Bone 



Triangular 

 Cartilage of Nose 



Lateral Cartilage _ 

 of Nose 



Septum between 

 Frontal Sinuses 



Supra-orbital 

 Foramen 



Levator Palpebrae 

 Muscle 



Infundibulum 

 Ethmoidal Bulla 



Nasal Duct 

 Antrum 

 Septum of Nose 



Inferior 

 Turbinated Bone 



Fig. 41. Frontal Sinus. Nasal Duct. 



Kat. Size. 



Rebman Limited, London. 



Rebman Company, New York. 



