.Veins in root of neck Superior bulb of IJV l acoustic meatus -Inferior petrosal sinus Sigmoid sinus Pharyngeal Occipital. Facial Right Left internal jugular internal jugular vein Common facial vein Lingual Superior thyroid Right Internal jugular (IJV) subclavian vein Middle thyroid- Inferior bulb of IJV Right brachiocephalic Left Right Inferior thyroid vein subclavian external vein jugular Left Right B Superior vena cava brachiocephalic subclavian- (SVC) vein D Anterior Right and left jugular brachiocephalic •Veins in Root of Neck