jugular foramen

n.
  1. A passage between the temporal bone and the occipital bone, containing the internal jugular vein, the inferior petrosal sinus, the glossopharyngeal, vagus, and accessory nerves, and the meningeal branches of the ascending pharyngeal and occipital arteries.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.