petromastoid

petromastoid definition - medical

pet·ro·mas·toid (pĕtˌrə-măsˈtoidˌ)

adjective
Of or relating to the petrous and the mastoid portions of the temporal bone of the skull.

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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