| pacchionian granulations --> arachnoid granulations | medical dictionary |
Tufted prolongations of pia-arachnoid, composed of numerous arachnoid villi that penetrate dural venous sinuses and effect transfer of cerebrospinal fluid to the venous system. at advanced age these are more numerous and tend to calcify.
Synonyms: granulationes arachnoideales, arachnoidal granulations, pacchionian bodies, pacchionian corpuscles, pacchionian glands, pacchionian granulations.
(05 Mar 2000)
arachnoidea, arachnoidea mater spinalis, arachnoid foramen < Prev | Next > arachnoiditis, arachnoid mater
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