Neurons receive information through specialised structures called dendrites. The activity created by this information flows through the cell body and axon, then exits via the axon terminals at a specialised structure called a synapse. A synapse is where the axon of one cell and the dendrite of another cell meet. There is actually a tiny gap here, across which a specialised chemical called a neurotransmitter passes to relay the message (or information) on to the next cell. The neurotransmitter from the axon terminal binds (connects) to a specialised receptor on the dendrite, which triggers activity in that cell.