Cranial nerves Flashcards
CN II
Optic Nerve
Sensory: sight
Forebrain,
Lateral Geniculate Nucleus &
Superior Colliculus
CN III
Oculomotor
Motor: Levator Palpebrae Superioris,
Superior Rectus
Medial Rectus, Inferior Rectus, and Inferior Oblique
Origin: Midbrain, Oculomotor nuclei
CN IV
Trochlear Nerve
Motor: Superior Oblique
Midbrain, just below the Inferior Colliculus
CN V
Trigeminal Nerve
Both: Mastication, Face & Cornea,
Pons
CN VI
Abducens
Motor: Lateral Rectus
Pontomedullary Groove
CN VII
Facial Nerve
Both: facial expression, taste, tears & saliva
Temporal Zygomatic Buccal Mandibular Cervical
Pontomedullary Groove
CN VIII
Vestibulocochlear
Sensory: Vestibule = Balance
Cochlear = Hearing/Auditory: goes to Olivary body
Pontomedullary groove
CN IX
Glossopharyngeal
Both: pharynx, salivary glands, taste
Medulla Oblongata
CN X
Vagus Nerve
Both: Pharynx, Heart and Viscera of internal organs
Medulla Oblongata
CN XI
Accessory Nerve
Motor: sternocleidomastoid &
Trapezius
Medulla Oblongata
CN XII
Hypoglossal Nerve
Motor: tongue
Medulla Oblongata
CN I
Olfactory Nerve
Sensory: smell
Origin: Forebrain
Anterior Commissure and Amygdaloid Body
