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external jugular vein n.
A vein that is formed by the junction of the posterior auricular and the retromandibular veins, passes down the side of the neck superficial to the sternocleidomastoid muscle, and empties into the subclavian vein.
jugular jug·u·lar (jŭg'yə-lər)
Of, relating to, or located in the region of the neck or throat. n.
A jugular vein.
[1960s+; based on the phrase go for the jugular]