click below
click below
Normal Size Small Size show me how
Cranial Nerves -DNJ
Cranial Nerves - DNJ
| Cranial Nerve # | Cranial Nerve Name | Passes Thru | C.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. |