Neurotransmitter definition
a chemical substance that is released at the end of a nerve fiber by the arrival of a nerve impulse and, by diffusing across the synapse or junction, causes the transfer of the impulse to another nerve fiber, a muscle fiber, or some other structure.
Source: Google dictionary.
NOTE: THIS WAS COPY AND PASTED FEOM GOOGLE. THIS IS NOT MY ORIGINAL WORK. THIS IS ONLY HERE TO BE A PREMADE DEFINITION.












