Trigeminal nerve
Opthalmic nerve
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The ophthalmic nerve is purely sensory and leaves the cranium through the foramen orbitorotundum and divides into frontal, lacrimal and naso ciliary branches.
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The frontal nerve emerges from the orbit through the supraorbital canal and supplies the upper eyelid and the skin.
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The lacrimal nerve supplies the lacrimal gland, skin over the temporal fossa, frontal sinus and a long cornual branch that passes below the lateral border of the body of the frontal bone along with the branches of superficial temporal artery and vein to supply the corium of the horn.
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The naso ciliary nerve runs toward the ethmoidal foramen where it divides into the ethmoidal nerve and the infra-trochlear nerve.
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The infratrochlear nerve runs towards the medial canthus and supplies the conjunctiva, lacrimal ducts, lacrimal sac and the third eyelid.
Maxillary nerve
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Last modified: Wednesday, 2 May 2012, 7:02 AM