- Cerebrospinal fluid (CSF) : Cerebrospinal fluid is a liquid similar to blood serum, found in the ventricles of the brain and in the central canal of the spinal cord.

Cerebrospinal fluid is a protective fluid that su rrounds and supports the brain and spinal cord.

The functions of Cerebrospinal fluid are as follows:

1. Bathes the brain and spinal cord
2. Allows nutrients and waste products to diffuse between the blood and the brain/spinal cord.
3. Protects the nerves against mechanical damage

Cerebrospinal fluid is also the subject of cranio-sacral therapy, which is a huge subject in its own right.

Cerebrospinal fluid is also called CSF.