1. Which part of the ethmoid bone forms the superior part of the nasal septum and contains grooves for nerves and vessels?
2. Which feature of the cribriform plate facilitates the passage of the olfactory nerve (CN I)?
3. Which part of the ethmoid bone forms the superior part of the nasal septum?
Ethmoid bone — location?
Unpaired, anterior skull base, connects with several bones.
Cribriform plate — role?
Allows passage of olfactory nerves (CN I).
Perpendicular plate — function?
Forms superior part of the nasal septum.
Lateral masses — contain?
Ethmoidal air cells (sinuses) and conchae.
Sphenoid bone — location?
Central base of skull, behind ethmoid.
Sphenoid sella turcica — houses?
Pituitary gland.
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