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Cranial Nerves -DNJ

Cranial Nerves - DNJ

Cranial Nerve #Cranial Nerve NamePasses ThruC.N. Action
1 Olfactory Cribriform Plate Smell
2 Optic Optic Canal Sight
3 Oculomotor Superior Orbital Fissure Medial rectus, inferior rectus, inferior oblique and palpebrae superioris
4 Trochlear Superior Orbital Fissure Superior Oblique M.
5 (V1) Trigeminal (ophthalmic) Superior Orbital Fissure Sensory - Upper face
5 (V2) Trigeminal (maxillary) Foramen Rotundum Sensory - Middle face
5 (V3 Trigeminal (mandibular) Foramen Ovale Sensory - Lower face/ Motor: Mastication & Tensor Tympani M.
6 Abducens Superior Orbital Fissure Lateral Rectus M.
7 Facial Internal Acoustic Meatus Sensory: Ant 2/3 tongue & soft palate. Motor: Scalp, auricle, buccinator, stapedius, stylohyoid & Post. belly of digastric. Parasympathetic: lacrimal, submandibular & sublingual salivary glands.
8 Vestibulocochlear Internal Acoustic Meatus Hearing & Balance (equilibrium)
9 Glossopharyngeal Jugular Foramen Motor: stylopharyngeus. Parasympathetic: parotid and mucous glands. Sensory: Posterior 2/3 of tongue, pharynx (gag reflex), fauces, tonsil, tympanic cavity, eustachian tube & mastoid cells.
10 Vagus Jugular Foramen Autonomic innervation to heart, lung, GI tract. Sensory: larynx, pharynx, throacic & abdominal viscera
11 Accessory Jugular Foramen Motor (cranial): with CNX: pharyngeal, laryngeal & soft palate. Motor (spinal): SCM & upper 2/3 of trapezius M.
12 Hypoglossal Hypoglossal Canal Motor: extrinsic hyoglossus, styloglossus, chondroglossus, genioglossus, intrinsic superior & inferior longitudinal, transverse and vertical lingual tongue M.
Created by: aloha125