A) formed by a portion of the sphenoid bone, the vomer, and hyaline cartilage B) formed by the vomer bone and the maxillae with septal cartilage C) a series of scroll-shaped projections made up by the ethmoid bone and the inferior nasal concha D) a horizonal partition in the nasal cavity E) formed by the vomer bone, the perpendicular plate of the ethmoid bone, and septal cartilage