TOPIC: VENOUS AND LYMPHATIC SUPPLY OF HEAD & NECK🔍 VENOUS DRAINAGE OF HEAD & NECK1. Overview🔹Veins are valveless, interconnected, and accompany arteries.🔹Classified into:Superficial veins (e.g., facial, retromandibular)Deep veins (e.g., internal jugular vein)2. Major VeinsA. External Jugular Vein (EJV):🔹Formed by: Posterior auricular vein + Retromandibular vein (posterior branch)🔹Lies superficial to the sternocleidomastoid🔹Drains into subclavian vein
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