encephalolith

[ĕn-sĕf′ə-lō-lĭth′]

n.

A concretion in the brain or in one of its ventricles.cerebral calculus

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