act of release of transmitter, which is usually in the form of vesicles within the nerve terminal that diffuse to the effector membrane.

message transfer from the axon of one nerve cell to the dendrite of another nerve cell.

Relating signals between cells via chemical changes.

The sending and receiving of electrical impulses through chains of neurons.

The process that occurs when a neuron releases neurotransmitters to communicate with another neuron across the synapse.

The process by which neurons transmit messages to other neurons, muscle cells, or gland cells.