Synaptic signaling is when short-lived neurotransmitters released by neurons into the synapse, or the gap between nerves and target cells. Instead of traveling through the circulatory system, like hormones, the extensions of nerve cells release neurotransmitters from their tips very close to the target cells.
Animation-
www.youtube.com/watch?v=ChpYCDiX348
Animation-
www.youtube.com/watch?v=ChpYCDiX348