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petrosa

petrosa in Medicine

petrosa pe·tro·sa (pə-trō'sə)
n. pl. pe·tro·sae (-sē)
The petrous portion of the temporal bone.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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