THE SINUS MAXILLARIS 



83 



C.svp 



SUpr. I. 



HypopK. 



C. med 



C.va-f: 



FIG. 29. SPECIMEN FROM A CHILD Six YEARS OLD. SAGITTAL SECTION 

 SHOWING EXTENT OF SPHENOIDAL PNEUMATIZATION. (Series D, No. 46.) 

 The child from whom this specimen was taken died of nasal diphtheria. 

 Note areas of submucous hemorrhages. The nasal cavities were completely 

 filled with pseudomembrane, as were also the frontal sinuses and ethmoidal 

 cells, while the maxillary and sphenoidal sinuses were approximately half 

 filled. Also note the enormous tonsilla pharyngea, which nearly fills the 'pos- 

 terior naris. C.sup., Concha superior; C.supr.I, concha suprema I; S.sph., 

 sinus sphenoidalis; Hypoph., hypophysis; Ton.phar., tonsilla pharyngea; 

 F.phar.bas., fascia pharyngobasilaris; C.inf., concha inferior; C.med., concha 

 media. 



