Action potential

An action potential is a rapid rise and subsequent fall in voltage or membrane potential across a cellular membrane with a characteristic pattern.

In the last article we learnt that neurone cell membranes are polarised at rest (when they are not being stimulated). However, when a stimulus is detected a nerve impulse must be sent along the neurone. Today we will look at the sequence of events that happens during an action potential and how ion channels bring

Action potentials are brief, rapid, large changes in the membrane potential in which the potential actually reverses. They are usually initiated as a result of spread from graded potentials. Simil…

We go over the events that make up an action potential in detail.

Action potential. depolarization

The main difference between resting potential and action potential is that resting potential is the resting voltage or the membrane potential of a non ...

Hi there! I’m Austin, one of the MCAT instructors at Examkrackers. In our class, we’ve been getting questions about the differences between a normal action...