EMBRYOLOGIC CONSIDERATIONS 



29 



CA.rt.ca.p.na.. 



C.in.1 



FIG. 7. DIAGRAM OF CORONAL SECTION THROUGH NASAL AREA, 0.45 MM. 

 DORSAL TO SECTION SHOWN IN FIG. 6, SHOWING RELATIONS OF DEVELOPING 

 CONCHA. CONCHA SUPERIOR SHOWS IN ITS CENTRAL AREA A THICKENING 

 OF THE MESODERM WHICH LATER BECOMES CARTILAGE. (Series A, No. 3, 

 slide 7, section 3. X 16.) 



Cart. cap. na., Cartilage capsulae nasalis; ^Sept.na., septum nasi; C.inf., concha 

 inferior; C.med., concha media; C.sup., concha superior. 



