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Head & Neck Nerves
Nerves and their innervation of the head and neck
| Nerve | Innervation - Termination | Origin |
|---|---|---|
| Trigeminal (CNV) | Opthalmic (V1), Maxillary (V2), Mandibullar (V3) | Trigeminal ganglion |
| Supraorbital N. | Forehead and scalp (sensory) | CNV --> V1 --> Frontal N. |
| Supratrochlear N. | Forehead and scalp (sensory) | CNV --> V1 --> Frontal N. |
| Nasociliary N. | Ciliary ganglion, Short & Long ciliary N., Posterier Ethmoidal N. and Anterior Ethmoidal N, Infratrochlear N., | Trigeminal --> Opthalmic --> Nasociliary N. |
| Infratrochlear N | Eyelids, conjunctiva, skin of the nose and lacrimal sac. | CNV --> V1 --> Nasociliary N. |
| Lacrimal N. | Lacrimal gland, conjnctiva and skin of upper eye lid | Trigeminal --> Opthalmic --> Lacrimal |
| Maxillary (V2) | Menigeal branch, Pterygopalatine N and Ganglion, Post-Superior Alveolar, Zygomatic, Infraorbital | Trigeminal --> Maxillary |
| Zygomatic N. | Zygomaticofacial, Zygomaticotemporal and Infraorbital N. (sensory) | Trigeminal --> Maxillary --> Zygomatic N. |
| V3 (mandibular) | Auricotemporal, Buccal and Mental N (both) | Trigeminal --> Mandibular |
| CNV (trigeminal) | Temporalis & Masseter | ----? foramen |
| CN7 (facial) | Temporal, Zygomatic, Buccal, Marginal mandibular and Cervical | ----? foramen |
| Temporal branch | Auricularis Superior and Anterior, frontal belly of Occipitofrontalis and Superior part of Orbicularis Oculi | Facial --> Temporal |
| Zygomatic branch | Inferior part of Orbicularis Oculi | Facial --> Zygomatic |
| Buccal branch | Upper lip muscles, Buccinator and Inferior fibers of Levator labii | Facial --> Buccal |
| Mental N. | (blank) | Trigeminal --> Mandibular --> Mental |
| Facial (VII) | All muscles of facial expression | Brain --> Facial |
| Temporal branch | Auricularis Superior & Anterior, Frontalis and Orbicularis oculi (superior half) | Facial --> Temporal |
| Zygomatic branch | Orbicularis oculi (inferior half) + | Facial --> Zygomatic |
| Buccal branch | Buccinator + | Facial --> Buccal |
| Marginal Mandibular | Risorius, + | Facial --> Marginal Mandibular |
| Cervical branch | Platysma | Facial --> Cervical |
| Ophthlamic (V1) | Lacrimal, Frontal, Nasociliary and Menigial branches | Trigeminal --> Ophthalmic |
| Frontal N. | Frontal sinus, Supraorbital and Supratrochlear nerves | Trigeminal --> Ophthalmic --> Frontal |
| Posterier Ethmoidal N. | Sphenoidal and posterier Ethmoidal sinuses | Ophthalmic --> EthNasociliary --> Posterior modial N. |
| Anterior Ethmoidal N. | Anterior Ethmoidal air cells, Internal and External Nasal branches | Ophthalmic --> EthNasociliary --> Anterior modial N. |
| Meningeal branch | Dura in anterior cranial fossa | Trigeminal --> Opthalmic --> Meningeal branch |
Created by:
ssherwo
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