TRIGEMINAL & FACIAL NERVE – Concise Lecture Notes TOPIC: TRIGEMINAL & FACIAL NERVEI. TRIGEMINAL NERVE (CN V)👉 Type: Mixed nerve (Motor + Sensory)👉 Largest cranial nerve; Principal sensory nerve of face1. ORIGINFour nuclei in the pons:1 Motor nucleus (pons)3 Sensory nuclei (mesencephalic, main sensory, spinal)2. DIVISIONS👉 (Mnemonic: V1, V2, V3 – “Ophthalmic, Maxillary, Mandibular”)👉 All three divisions arise from trigeminal (semilunar/Gasserian) ganglion.DivisionTypeExitArea SuppliedV1 – OphthalmicSensorySuperior orbital fissureForehead, upper eyelid, nose, corneaV2 – MaxillarySensoryForamen rotundumCheeks, upper lip, upper teeth, palateV3 – MandibularMixedForamen ovaleLower face, tongue (sensory), muscles of mastication (motor)3. MOTOR…
Log in to DentStudy to keep reading.
