arachnoid villi

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arachnoid villi

[ə′rak‚nȯid′vil·ē]
References in periodicals archive ?
The central portion of an arachnoid granulation contains CSF; the CSF is covered by arachnoid cells that are loosely attached to a fibrous capsule that is covered by endothelium.
16] Gacek concluded that herniation of aberrant arachnoid granulations over the middle and posterior fossa might be responsible.
They are associated with aging and can be seen in the basal ganglia, pineal gland, falx, tentorium, arachnoid granulations, choroid plexus and the cerebellum.