Abstract
To the rhinologist practicing surgical correction of the nasal contour the nasal septum no longer is only the nasal partition but is the foundation of the nasal pyramid. It consists of the following structures: the perpendicular plate of the ethmoid, the vomer, the septal cartilage with its wings (the upper lateral cartilages), the medial divisions of the lower lateral cartilages, the anterior nasal spine, the septal membrane, the crest of the maxilla and of the palate bone and the nasal spur of the frontal bone. In this study the head in the erect position is to be considered, so that the various borders mentioned may be clearly visualized. The perpendicular plate of the ethmoid is a thin, flat bone that fits into the upper part of the sutures between the nasal bones but mainly descends from the cribriform plate and rarely takes any part in the formation of an abnormal
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