from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The serumlike fluid that circulates through the ventricles of the brain, the cavity of the spinal cord, and the subarachnoid space, functioning in shock absorption.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Abbreviated CSF. A clear bodily fluid in the form of a very pure saline solution with microglia that occupies the subarachnoid space in the brain (between the skull and the cerebral cortex), and which acts as a cushion or buffer for the cortex.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. clear liquid produced in the ventricles of the brain; fills and protects cavities in the brain and spinal cord
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