Neurotransmitters are chemical messengers utilized by the nervous system to transmit signals across the synapses, the specialized junctions between neurons. These chemical molecules are stored and released from the axon terminals of the presynaptic neuron into the synaptic cleft, where they travel to bind with specific receptors located on the postsynaptic membrane. This binding initiates an electrochemical signal that alters the electrical potential of the receiving cell, thereby influencing the next neuron's activity. The transmission process involves precise regulation, including mechanisms for neurotransmitter uptake and enzymatic degradation, which ensures that the signaling effect is temporary and targeted, enabling the precise and complex communication required for rapid biological function.