1. Which part of the ethmoid bone forms the superior part of the nasal septum and contains grooves for nerves and vessels?
2. Which bone contains the cribriform plate, and what is its primary function?
3. Which feature of the cribriform plate facilitates the passage of the olfactory nerve (CN I)?
Ethmoid bone — location?
Unpaired, anterior skull base, connects with several bones.
Ethmoid — function?
Forms part of nasal septum, contains olfactory foramina.
Cribriform plate — role?
Allows passage of olfactory nerves (CN I).
Sphenoid — role?
Central skull base, houses sella turcica.
Perpendicular plate — function?
Forms superior part of the nasal septum.
Temporal — location?
Lateral skull sides, protects ear structures.
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