Cerebrospinal fluid (CSF) can accumulate around the brain when there is injury to the sites of CSF reabsorption, which are called the:
a. arachnoid villi.
b. epidural foramina.
c. lateral apertures.
d. choroid plexuses.
ANS: A
CSF is reabsorbed through a pressure gradient between the arachnoid villi and the cerebral ve-nous sinuses. CSF absorption does not occur in the epidural foramina, the lateral apertures, or the choroid plexuses.
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