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a dense network of neurons and glia in the central nervous system
Word Origin
from neuro- + Greek pilos hair
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Examples from the Web for neuropil
Historical Examples
  • The neurone of the second order, which terminates in the 'neuropil' of the second ganglion (ganglion of the optic nerve).

    The Origin of Vertebrates Walter Holbrook Gaskell
  • Fibres which pass into this 'neuropil' from other parts of the brain connect them with the optic ganglion.

    The Origin of Vertebrates Walter Holbrook Gaskell
neuropil in Medicine

neuropil neu·ro·pil (nur'ə-pĭl') or neu·ro·pile (-pīl')
The complex net of axonal, dendritic, and glial branchings that forms the bulk of the central nervous system gray matter of the brain and in which the nerve cell bodies are embedded.

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