A&P Lab Test 1 part 3
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the sphenoid bone has two perpendicular plates- the medial and lateral pterygoid plates. the medial plates form the arch at the back of the nasal cavity. what is the importance of the lateral plates?
provide attachment for chewing muscles
the trigmeinal nerve (cranial nerve V) has three branches. where do they emerge of the face?
- supraorbital foramen
- infraobrital foramen
- mental foramen
sensation to the teeth is provided by ______.
V2 and V3
give the names of the bones forming the orbit.
- lateral wall- zygomatic
- medial wall- ethmoid
- back wall-sphenoid
a large jagged opening in the back of the orbit allows passage to what nerves?
the optic nerve goes to the brain from the eye through what channel? through what bone?
- optic foramen
- sphenoid bone
the blood supply to most of the brain- the internal carotid artery- enters the skull through what bone?
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