The protective covering of the brain
that provides passageways for cerebrospinal fluid (CSF) to drain into the
superior sagittal sinus is called the arachnoid mater.
To add, the arachnoid mater is the middle
of three layers that make up the meninges, or membranes, that surround the spinal
cord and brain.
Positive ions from a base and negative ions from an acid form a it helps for example ypu have positive ions right well take my smart advice well the positive ions and the negative ions they combine together to make sulphour
