The sigmoid sinus penetrates the jugular foramen and leaves the skull as the external jugular vein on that side.

Name: The sigmoid sinus penetrates the jugular foramen and leaves the skull as the external jugular vein on that side.
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Question

Quizplus · Accepted Answer

The sigmoid sinus does not leave the skull as the external jugular vein. Instead, it continues as the internal jugular vein which eventually joins the subclavian vein to form the brachiocephalic vein.

The Sigmoid Sinus Penetrates the Jugular Foramen and Leaves the Skull