Cranial Nerves Flashcards
Olfactory N (CN1)
Sensory
Smell
Opening for Olfactory N
Cribiform plate of Ethmoid Bone
Optic N (CN2)
Sensory
Vision
Opening for Optic N
Optic Canal
Oculomotor N (CN3)
Motor, parasymp
rectus muscles, inferior oblique, levator palpebrae superioris
constric pupil and accomodate eye
Opening for Oculomotor N
Superior Orbital Fissure
Trochlear N (CN4)
Motor
superior oblique m
Opening for Trochlear N
Superior Orbital Fissure
Trigeminal N (CN5)
Sensory- most of head
Motor- mastication mm
Opening for Ophthalmic Division of Trigeminal N
Superior Orbital Fissure
Opening for Maxillary Division of Trigeminal N
Foramen Rotuntum
Opening for Mandibular Division of Trigeminal N
Foramen Ovale
Ophthalmic Division
Sensory to cornea; skin of forehead, scalp, eyelids, nose
Maxillary Division
Sensory to skin of face over maxilla and upper lip, teeth of upper jaw
Mandibular Division
Sensory to skin of cheek, skin over mandible, side of head, teeth of lower jaw
Motor to m of mastication