WordNet
external jugular vein
n. formed by the junction of the posterior auricular and the retromandibular veins; empties into the subclavian vein
Wikipedia
External jugular vein
The external jugular vein receives the greater part of the blood from the exterior of the cranium and the deep parts of the face, being formed by the junction of the posterior division of the retromandibular vein with the posterior auricular vein.
Usage examples of "external jugular vein".
Just over the external jugular vein there were two punctures, not large, but not wholesome looking.