arachnoid

arachnoid definition - medical

a·rach·noid (ə-răkˈnoidˌ)

adjective
Resembling a cobweb. Used of the arachnoid membrane covering the brain and spinal cord.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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