transmitter

Definition

One who or that which transmits something (in all senses).

Etymology

From transmit + -er.

Example Sentences

• "Epinephrine and dopamine are two other catecholamine transmitters."
• "Habituation and dishabituation allow for experience-dependent tuning of these reflexes and the mechanisms underlying these forms of behavioral plasticity involve changes in transmitter release from the sensory to motor neuron synapses through homosynaptic depression and the serotonin-mediated recovery from depression, respectively."