venous drainage of face

	FACIAL V (anteriorly)	RETROMANDIBULAR V (posteriorly)
Site	Medial angle of the eye	Inside parotid gland Union of maxillary and superficial temporal v Superficial to external carotid A Deep to facial N
Begin	Union of supratrochlear and supraorbital
Course	*Straight course downward and backward -in the face -behind facial A *Leave the face at anteroinferior angle of masseter M -cross the body of mandible and *submandibular gland to enter the neck
ending	*unite with anterior division of retromandibular v -becoming common facial v -ends in the internal jagular v	Leave lower end of parotid gland
Tributaries	*supratrochlear and *supraorbital *deep facial v -connect it pterygoid *venous plexus *Veins from submandibular gland *Tonsillar vein (from palatine tonsil )	Anterior division	Posterior division
		*Unites with anterior facial v -To become common facial v	*Unites with posterior auricular v -To form external jagular vein

Venous drainage of face

Others vein

1. Transverse facial
2. Infraorbital v
3. Mental v

All of this vein end in the ptregoid venous plexus

Dangerous area of the face

Triangular area at the middle of part of the face

- around the nose and upper lip

Dangerous because onfection in this area can spread and reach the cavernous sinus.