Source: Image from Adobe Illustrator; Public Domain
A nerve impulse.
The minimum voltage shift across a membrane required for an action potential to take place.
The steady voltage difference that occurs across a neuron’s membrane when it is not being stimulated.
A protein that pumps sodium potassium against their concentration gradients to restore the resting membrane potential following an action potential.
The region of a neuron where signals enter.
The part of the neuron located at the base of the cell body that initiates action potentials.
The part of the neuron that consists of the axon where action potentials propagate away from the trigger zone toward the axon endings.
The part of the neuron that consists of the axon endings where signals are sent on to another neuron or to a gland or muscle cell.