A nerve is stimulated by an electrical current. upon stimulation, neurotransmitters are released from the:

Answer

They are released from the synapse (or synaptic cleft) between the nerve and the target cell.

Q: What happens when a nerve is stimulated by an electrical current? A: Neurotransmitters are released.
Q: Where are neurotransmitters released from? A: They are released from the synapse (or synaptic cleft) between the nerve and the target cell.