Assertion: cerebrospinal fluid | /r/MadeOf | the ventricles of the brain
Facets:
Source sentences:
text: The cerebrospinal fluid is formed by the ventricles of the brain.
text: Formed primarily in the ventricles of the brain, the cerebrospinal fluid supports the brain and provides lubrication between surrounding bones and the brain and spinal cord.
text: The cerebrospinal fluid is formed by the ventricles of the brain.