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definitions

noncommunicating hydrocephalus

[nŏn′kə-myōō′nĭ-kā′tĭng]
n.
  1. A form of hydrocephalus in which the ventricles of the brain are blocked and cerebrospinal fluid cannot pass to the subarachnoid space.obstructive hydrocephalus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.