Examlex
What is the present value of a payment of $2,000 to be received two years from today if the interest rate is 5%?
Action Potential
A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, allowing neurons to transmit signals.
Depolarization
Depolarization is a process in nerve cells where the cell membrane's normal negative charge is reduced, allowing an action potential to occur and leading to the propagation of nerve signals.
Electrical Charge
A fundamental property of matter that leads to electromagnetic interactions, described in terms of positive or negative electrical energy.
Nodes of Ranvier
Gaps in the myelin sheath of nerve fibers, which play a critical role in the fast propagation of nerve impulses.
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