Title B-Cranial-Nerve-hbkim-EE.pdf ✅

CRANIAL NERVES Pure Motor Pure Sensory Mixed Parasympathetic Contain Taste Fibers 3, 4, 6, 11, 12 1, 2, 8 5, 7, 9, 10 3, 7, 9, 10 7, 9, 10 1 2 3 4 5 6 7 8 9 10 11 12 Motor     Sensory    Mixed    Parasympathetic     Taste fiber   FUNCTIONS Cranial Nerve Opening in skull Functions I Olfactory Cribriform plate y Sensory to olfaction (smell) II Optic Optic canal y Sensory to vision III Oculomotor Superior orbital fissure y Motor to the superior, inferior, medial rectus muscles, the inferior oblique muscle, the levator palpebrae superioris muscle y Parasympathetic innervation to constrict pupil and accomodate eye IV Trochlear Superior orbital fissure y Motor to the superior oblique muscle that turns the eye downward and laterally V Trigeminal V1: Superior orbital fissure V2: Foramen rotundum V3: Foramen ovale V1 y Sensory to cornea, skin of the forehead, scalp, eyelids, and nose; mucous membrane of the paranasal sinuses and nasal cavity V2 y Sensory to skin of face over the maxilla and upper lip; teeth of upper jaw; mucous membrane of the nose; maxillary air sinus V3 y Sensory to skin of the cheek, skin over the mandible, and side of head; teeth of lower jaw and TMJ; mucous membrane of the mouth and anterior twoͲthirds of the tongue y Motor to muscles of mastication (temporalis, masseter, medial and lateral pterygoids), anterior belly of the digastric, mylohyoid, tensor tympani, and tensor veli palatini VI Abducens Superior orbital fissure y Motor to the lateral rectus muscle – turns eye laterally VII Facial Internal auditory meatus, facial canal, stylomastoid foramen y Motor to muscles of facial expression, stapedius, stylohyoid, posterior belly of the digastric y Taste from the anterior twoͲthirds of the tongue, and palate y Parasympathetic innervation of the submandibular and sublingual salivary glands, lacrimal gland, and glands of the nose and palate VIII Vestibulocochlear Internal auditory meatus y Vestibular nerve: Position and movement of the head y Cochlear nerve: Hearing IX Glossopharyngeal Jugular foramen y Motor to the stylopharyngeus muscle y Taste from the posterior third of the tongue y Sensory to general sensation from pharynx, sensory fibers from the carotid sinus y Parasympathetic innervation of the parotid gland X Vagus Jugular foramen y Motor: innervates constrictor muscles of the pharynx and intrinsic muscles of the larynx y Parasympathetic innervation to structures in the neck, thorax and most of abdomen to splenic flexure of colon y Taste from valleculae and epiglottis y Afferent fibers (sensation) from above structures XI Accessory Jugular foramen y Motor to the SCM and trapezius muscles XII Hypoglossal Hypoglossal canal y Motor to the intrinsic and extrinsic muscles of the tongue (except the palatoglossus muscle) Mnemonics Mnemonic to Remember Names of the Cranial Nerves On Old Olympus' Towering Top, A Finn And German Vaulted And Hopped Mnemonic to Remember Whether Nerve is Sensory, Motor, or Both Some Say Marry Money, But My Brother Says Bad Business Marrying Money CRANIAL NERVES Page 1 © HB Kim, AcupunctureMedia.com