Tutorial title - Skull - Foramina and Cranial Nerves

4 important questions on Tutorial title - Skull - Foramina and Cranial Nerves

What are the pathways of CN V from the brain?

CN V1 (Ophthalmic): through the superior orbital fissure to eye
CN V2 (Maxillary): through the foramen rotundum to nose, upper lip and teeth
CN V3 (Mandibular): through the foramen ovale to tongue

What are the pathways of CN VII from the brain?

CN VII (all branches): through the stylomastoid foramen to face

What additional pathway does CN V2 take?

It branches off into superior alveolar nerves (teeth) and infraorbital nerves (nose and upper lip sensation). The infraorbital nerves go through the infraorbital foramen.

In cows, it has a zygomatic branch (cornual) that goes to horns
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What additional pathway does CN V3 take?

It branches off to inferior alveolar nerves (teeth), lingual (tongue), and mental (lips)

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