Examlex
Blank pages are added to the back of a book so the reader can take notes.
Action Potential
A rapid change in electrical potential across a cell's membrane that occurs when a neuron sends information down an axon.
Synapse
The junction between two neurons or a neuron and a muscle or gland cell, where electrical or chemical signals are transmitted.
Presynaptic Cell
A presynaptic cell refers to the neuron that sends a message across the synaptic cleft, releasing neurotransmitters from its axon terminal.
Synaptic Cleft
The small gap between the presynaptic and postsynaptic neurons across which neurotransmitters are released to transmit signals.
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