arachnoidal granulations


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Related to arachnoidal granulations: arachnoid trabeculae

arachnoidal granulations

[¦a‚rak¦nȯid·əl ‚gran·yə′lā·shənz]
(anatomy)
Projections of the arachnoid layer of the cerebral meninges through the dura mater. Also known as arachnoid villi; Pacchionian bodies.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.