Action Potential
ModerateHigh-yieldPhysiology · Nerve & Muscle
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The action potential (AP) is the rapid, transient, self-propagating reversal of membrane potential that allows excitable tissues (nerve, skeletal muscle, cardiac muscle, smooth muscle) to signal over distance. It is governed by voltage-gated ion channels obeying the all-or-none law, and forms the physiological substrate behind arrhythmias and antiarrhythmic drug action — a recurring NEET PG theme. An action potent…
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