THE SINUS MAXILLARIS 



103 



Cel.irorxt - 

 Ce\.lixtund 



ln.fun.d.e"tH. 



-Ost. fron-i. 

 C.el.b.etH. 



Cel.etK.post 



A.oa^r.irvt. 



FIG. 39. SPECIMEN FROM A CHILD TEN YEARS, SEVEN MONTHS, AND TWENTY- 

 SEVEN DAYS OLD. (Series D, No. 67.) 



Lateral view of the left frontal, ethmoidal, and maxillary sinus areas, the 

 lateral portions of which have been removed by sagittal sections. Note the 

 relations of the cranial nerves to that portion of the body of the sphenoid 

 which forms the lateral wall of the sinus sphenoidalis. The nervus maxillaris 

 is 0.9 mm. lateral to the sinus sphenoidalis. Ost.front., Ostium frontale; 

 Cel.b.eth., cellulse bullse ethmoidales; Cel.eth.post., cellulse ethmoidales pos- 

 terior; N.optic., nervus opticus; N.oculom., nervus oculomotorius; N.troch., 

 nervus trochlearis; Gang.semi., ganglion semilunare (Gasseri); A. car. int., 

 arteria carotis interna; S.max., sinus maxillaris; Ost.max., ostium maxillare; 

 Infund.eth., infundibulum ethmoidale; Cel.infund., cellulae infundibulares; 

 Cel.front., cellula frontalis; S.front., sinus frontalis. 



