Osteology

Lateral wall of right nasal fossa

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Image #38-1

Osteology Lateral wall of right nasal fossa The osseous septum has been cut away from the specimen seen in view 37-7 to reveal the bones which together form the right lateral wall of the nasal fossa. The right sphenoid sinus (15) is visible through a window cut in the septum which separates the two sinuses. 1 . Nasal bone 2 . Frontal process of maxilla 3 . Upper pointer: Lacrimal bone Lower pointer: Lacrimoconchal suture 4 . Lacrimal process inferior nasal conchae 5 . Openings of maxillary sinus 6 . Inferior nasal concha 7 . Inferior nasal meatus 8 . Anterior nasal spine 9 . Incisive canal (for communicating branch between posterior nasal septal artery and greater palatine artery) 10 . Cribriform plate éthmoid bone (above left nasal fossa) 11 . Perpendicular plate of ethmoid bone (cut away) 12 . Superior nasal concha 13 . Sphenoethmoidal recess 14 . Sphenoid sinus left 15 . Sphenoid sinus right (sphenoidal septal sinuses partially cut away) 16 . Sella turcica 17 . Upper pointer: Superior nasal meatus Lower pointer: Middle nasal concha 18 . Nasopharyngeal meatus 19 . Perpendicular part of palatine bone 20 . Medial plate of pterygoid process 21 . Palatomaxillary suture 22 . Nasomaxillary crest 23 . Palatine process of maxilla 24 . Incisive canal (for nasopalatine nerve)