Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spinal cord. It cushions the central nervous system and provides vital nutrients while removing waste products.
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CSF is produced by the choroid plexus in the ventricles of the brain.
The total volume of CSF in an adult human is approximately 150 milliliters.
CSF circulates through the ventricular system and subarachnoid space before being absorbed into the bloodstream via arachnoid granulations.
One of its key functions is to maintain intracranial pressure within a normal range.
A disruption in CSF production or circulation can lead to conditions such as hydrocephalus.
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Related terms
Choroid Plexus: A network of cells that produce cerebrospinal fluid in the ventricles of the brain.
Hydrocephalus: A condition characterized by an abnormal accumulation of cerebrospinal fluid within the ventricles of the brain.
Arachnoid Granulations: Small protrusions of the arachnoid mater that allow for the absorption of cerebrospinal fluid into the venous system.