TRIGEMINAL NERVE (CNV)
Branches and Routes of the Maxillary and Mandibular Divisions
VENOUS DRAINAGE OF HEAD AND NECK
- Supratrochlear and Supraorbital veins form Angular vein.
- Angular vein is an upper tributary of the Facial vein.
- Superficial Temporal vein and Maxillary vein from Paroitd gland unite to form the Retromandibular vein.
- Posterior Auricular vein drains into Retromandibular vein.
- Retromandibular vein divides into two branches; Anterior and Posterior branch.
- Anterior branch of Retromandibular vein joins anterior Facial vein anteriorly.
- Posterior branch of Retromandiular vein joins the External Jugular vein posteriorly.
- Occipital vein drains into Suboccipital Venous Plexus in Suboccipital Triangle.
- There are emissary veins connecting deep veins to superficial veins.
> Intercranial Cavernous Sinus
> Pharyngeal Venous Plexus
