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Multiple Choice
Which bony feature is visible in the midsagittal view of the skull and forms the superior part of the nasal septum?
A
Zygomatic arch
B
Coronoid process of the mandible
C
Mastoid process
D
Perpendicular plate of the ethmoid bone
Verified step by step guidance
1
Understand the anatomical location: The midsagittal view of the skull refers to a vertical plane that divides the body into equal left and right halves. This view allows us to observe structures along the midline of the skull.
Identify the nasal septum: The nasal septum is the structure that divides the nasal cavity into left and right halves. It consists of both bony and cartilaginous components.
Focus on the superior part of the nasal septum: The superior portion of the nasal septum is formed by a bony structure, which is part of the ethmoid bone.
Learn about the ethmoid bone: The ethmoid bone is a complex cranial bone located between the eyes. It contributes to the formation of the nasal cavity, the orbit, and the cranial base. The perpendicular plate is a vertical projection of the ethmoid bone that forms the superior part of the nasal septum.
Eliminate incorrect options: The zygomatic arch, coronoid process of the mandible, and mastoid process are not located in the midsagittal view or involved in forming the nasal septum. The correct feature visible in the midsagittal view and forming the superior part of the nasal septum is the perpendicular plate of the ethmoid bone.