Ophthalmic branch exits skull through superior orbital fissure. Maxillary branch exits skull through foramen rotundum of sphenoid. Mandibular branch exits skull through foramen ovale of sphenoid. Motor to mastication muscles. Sensory to face, scalp, tear glands, mucous membranes of the nasal cavity and mouth.
Exits skull through superior orbital fissure.
Motor to extrinsic eye muscles. Sensory for muscle sense of same area. Exits skull through stylomastoid foramen of temporal bone. Motor to muscles of facial expression, salivation, and lacrimation. Sensory for taste and muscle sense.