Choose the appropriate lettered structure in this MRI scan showing a transaxial section through the head. Which structure is formed by the perpendicular plate of the ethmoid bone, vomer, and septal cartilage?: (A) A, (B) B, (C) C, (D) D
Answer is A. (a) The nasal septum is formed primarily by the perpendicular plate of the ethmoid bone, vomer, and septal cartilage.