mastoid foramen

mastoid foramen definition - medical

mastoid foramen

noun
An opening at the rear of the mastoid process, transmitting a small artery to the dura mater and an emissary vein to the sigmoid sinus.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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