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Cerebrospinal fluid (CSF) diversion; drawing shows extra CSF flowing through a tube (shunt) from a ventricle in the brain into the abdomen. The shunt goes from the ventricle, under the skin in the neck and chest, and into the abdomen. Also shown is a valve that controls the flow of CSF.

Cerebrospinal fluid (CSF) diversion. Extra CSF is removed from a ventricle in the brain through a shunt (tube) and is emptied into the abdomen. A valve controls the flow of CSF.

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