psammoma body

Medical Dictionary

psammoma body n.

  1. A mineralized body occurring in the meninges, choroid plexus, and in certain meningiomas.

  2. See brain sand.

  3. See calcospherite.

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