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Cranial Nerves
Cranial Nerve Names and Functions!
| Term | Definition |
|---|---|
| CN I (1) | Olfactory- Sensory; smell |
| CN II (1) | Optic- Sensory; vision |
| CN III (6) | Oculomotor - Motor; controls four of the six eye muscles (inferior oblique, superior rectus, inferior rectus, and medial rectus), causes pupils to constrict, and adjust lens (accomodation) for close vision (parasympathetic fibers) |
| CN IV (1) | Trochlear - Motor; controls superior oblique eye muscle |
| CN V (4) | Trigeminal - Both; general sensory nerves to the face for touch, temperature, pain; motor to muscles of mastication. |
| CN VI (1) | Abducens - Motor; controls lateral rectus eye muscle |
| CN VII (4) | Facial - Both; main motor nerve to the face controlling muscles of facial expression, control salivary gland, control lacrimal glands (both parasympathetic fibers); tase from the anterior two-thirds of the toungue. |
| CN VIII (2) | Vestibulochochlear - Sensory; transmits information about equalibrium and sound |
| CN IX (5) | Glossopharygeal - Both; controls some muscles involved in swallowing, saliva from parotid gland (parasympathetic fibers); taste and general sensory infromation from pharynx and posterior tongue, sensory from chemoreceptors in carotid arteries, sensory BP. |
| CN X (10) | Vagus- Both; controls some muscles involved in swallowing, controls vocal cords;motor to heart,lungs,abdominal visera to regulate heart rate,breathing,and digestive activity(PSF);sensory from throacic and abdominal visera; taste from epiglottis |
| CN XI (2) | Accessory - Motor; controls trapezius and sternocleidomastoid muscles "Spinal Accessory Nerve"/ |
| CN XII (1) | Hypoglossal - Motor; controls toungue. |