neurotransmitter

noun

Etymology: Etymology tree Proto-Indo-European *(s)neh₁- Proto-Indo-European *-wr̥ Proto-Indo-European *snéh₁wr̥der. Ancient Greek νεῦρον (neûron) Ancient Greek νευρο- (neuro-)der. English neuro- English transmit Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English transmitter English neurotransmitter From neuro- + transmitter.

1. Any substance, such as acetylcholine or dopamine, responsible for sending nerve signals across a synapse between two neurons.

   “Anyway, my neurotransmitters are scrambled and they're going to stay scrambled. But I can do okay as long as other people don't know about me.”

   “Together with this is the influence of an infinite number of neurotransmitters, neurohormones, environmental hazards, and accidental programmings.”