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A conical protuberance of the posterior portion of the temporal bone that is situated behind the ear in humans and many other vertebrates and serves as a site of muscle attachment. Also called mastoid bone.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a large bony prominence on the base of the skull behind the ear containing air spaces that connect with the middle ear cavity.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||mastoid process - process of the temporal bone behind the ear at the base of the skull|
mastoidale - the craniometric point at the lowest point of the mastoid process
os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear
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