Where is cerebrospinal fluid found?

Cerebrospinal fluid (CSF) plays a critical role in the central nervous system, providing cushioning and support for the brain and spinal cord. It is found in the space between the arachnoid mater and the pia mater, known as the subarachnoid space. This space allows the cerebrospinal fluid to circulate freely around the brain and spinal cord, providing protection against mechanical injury and helping to maintain stable ionic environments for neuronal function.

The subarachnoid space is integral for the distribution of CSF, where it can also facilitate nutrient transport and waste removal from the central nervous system. While CSF is produced in the ventricles of the brain, its primary location where it functions is indeed in the space between the arachnoid mater and pia mater. This arrangement is essential for maintaining the health and functionality of the brain and spinal structures.