Development and anatomy of the nasal accessory sinuses in man; observations based on two hundred and ninety lateral nasal walls, showing the various stages and types of development of the accessory sinus areas from the sixtieth day of fetal life to advanced maturity . ifteen Years, Nine Months, and T\\e.\ty-six DaysOld. (Series D, No. 76.)Lateral view of this specdmen is shown in Fig. Sagittal section, showingthe sphenoidalis and a portion of the lateral nasal wall. There was inthis case a marked deviation of the septum nasi toward the left, and a com-pensatory increase in the size
Development and anatomy of the nasal accessory sinuses in man; observations based on two hundred and ninety lateral nasal walls, showing the various stages and types of development of the accessory sinus areas from the sixtieth day of fetal life to advanced maturity . ifteen Years, Nine Months, and T\\e.\ty-six DaysOld. (Series D, No. 76.)Lateral view of this specdmen is shown in Fig. Sagittal section, showingthe sphenoidalis and a portion of the lateral nasal wall. There was inthis case a marked deviation of the septum nasi toward the left, and a com-pensatory increase in the size of the concha media. Note the presence of thecellul* conchales. The anterior conchal cell has its origin as an extensionfrom a posterior ethmoidal cell, just anterior to the superior meatus, while theposterior conchal cell developed from the posterior portion of the suprabuUarfurrow. /, Probe through astium of the anterior conchal cell; .?, probethrough ostium of the conchal cell; , concha superior; ,concha suprema I; , sinus sphenoidalis; , tonsilla pharyngea;, concha media; Ci«/., concha inferior; , celluhe conchales. THE SINUS MAXILLAEIS 125 D Uct. r. rauoo us cysts. Fig. 47.—Specimen Sixteen Years, Five Months, and Twenty-one DaysOld. (Series D, No. 79.)Lateral view of frontal, ethmoidal, maxillary, and a portion of the sphenoidalareas. Maxillary sinus contains mucous cysts. The ridge which is seen onthe floor of the .sphenoidal sinus overlies the nervus canaUs pterygoidei (Vidii).Note the extent of sphenoidal sinus into the pterygoid area, also the extent ofan infundiljular cell far into the frontal process of the maxilla. ,CelluliE bulte ethmoidales; , cellulae ethmoidales posterior; , sinus sphenoidalis; , lamina lateralis processus pterygoidei;, ostium maxillare; , ductus nasolacrimalis; ,cellulie infundibular
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Keywords: ., boo, bookcentury1900, booksubjectembryologyhuman, booksubjectnose
