<P> The nasal septum can be affected by both benign (fibroma, inflammatory hemangioma of the nasal septum--"bleeding polyp", etc .) and malignant tumors (squamous cell carcinoma, esthesioneuroblastoma, etc .). </P> <P> The inferior part of the nasal septum can be pierced, usually through the soft tissue but the piercing can also transverse (partially) the cartilage of the septum . </P> <Ul> <Li> <P> Horizontal section of nasal and orbital cavities . </P> </Li> <Li> <P> Left orbicularis oculi, seen from behind . </P> </Li> <Li> <P> Cartilages of the nose, seen from below . </P> </Li> <Li> <P> Coronal section of nasal cavities . </P> </Li> <Li> <P> Front of nasal part of pharynx, as seen with the laryngoscope . </P> </Li> <Li> <P> MRI image showing nasal septum . </P> </Li> <Li> <P> MRI image showing deviated septum </P> </Li> </Ul> <Li> <P> Horizontal section of nasal and orbital cavities . </P> </Li>

Which part of the ethmoid bone forms the superior part of the nasal septum