6 ms·
The "hole" is a part of the ventricular system that produces cerebro-spinal fluid that circulates within the brain and spinal cord. https://en.wikipedia.org/wi
by iClaudiusX 7y ago
The "hole" is a part of the ventricular system that produces cerebro-spinal fluid that circulates within the brain and spinal cord.
https://en.wikipedia.org/wiki/Ventricular_system https://en.wikipedia.org/wiki/Ventricular_system