arachnoidal granulations

(redirected from Arachnoid granulations)
Also found in: Dictionary, Thesaurus, Medical.
Related to Arachnoid 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.
References in periodicals archive ?
Arachnoid granulations in the transverse and sigmoid sinuses CT, MR, and MR angiographic appearance of a normal anatomic variation.
Evaluation and management of temporal bone arachnoid granulations.
These changes were sufficient to inhibit the function of the arachnoid granulations, diminishing CSF resorption with a resulting communicating hydrocephalus.
Protruding arachnoid granulations mimicking dermoid cysts.