chrissy <chrismin at bigpond.com> wrote:
> Just a simple question (hopefully):
> What's the difference between the reversal potential and the
> equilibrium potential for ion flow in neurons?
> Both have to do with balancing electrical potentials, don't they?
When a membrane opens its sodium channels to let in sodium ions, its
potential starts to approach the equilibrium potential for sodium, which
is inside positive. As the membrane potential reverses to inside
positive, one talks about reversal potential.