internal jugular vein

Introduction

A paired vein, the largest in the neck

Origin

• formed as a continuation of the sigmoid sinus

Course

• it is contained within the carotid sheath as it descends in the neck

Empties into

• subclavian vein behind the sternoclavicular joint to form the brachiocephalic vein

Pathology

• interna; jugular vein injury results in:
  • pulsatile tinnitus
  • edema
  • intracranial hypertension (variable)

More general terms

• vein

More specific terms

• jugular bulbs (inferior/superior); Heister diverticulum

Additional terms

• external jugular vein