Brain water, more accurately referred to as cerebrospinal fluid (CSF), is clear. This colorless liquid surrounds and cushions the brain and spinal cord, providing essential nutrients. Multiple sources confirm this:
- Johns Hopkins Medicine: Describes CSF as a "watery liquid" that circulates through the brain.
- Cleveland Clinic: States that CSF is a protective layer surrounding the brain and spinal cord, containing nutrients.
- Mayo Clinic: Refers to CSF leaks, indicating the fluid's presence around the brain and spine.
- Testing.com: Describes CSF as a "clear, watery liquid" that flows around the brain and spinal cord.
- MedlinePlus: Notes that CSF is examined during a collection test, highlighting its clear nature.
While some sources discuss the composition of CSF and its role in brain function, focusing on water diffusion and the absence of certain restricted water pools within the brain’s white matter, the color remains consistently described as clear. Therefore, any visual representation of "brain water" should accurately reflect its clarity.