cephalocentesis

[sĕf′ə-lō-sĕn-tēsĭs]

n.

The passage of a hollow needle or a trocar and cannula into the brain to allow drainage.

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