신경 세포 말단에서 분비되어 시냅스를 통해 다른 세포로 신호를 전달하는 화학 물질.
A chemical substance that transmits nerve impulses across a synapse to another cell.
예문:
"Dopamine is a neurotransmitter that plays a major role in reward-motivated behavior."
"The drug works by increasing the levels of a specific neurotransmitter in the brain."
"Neurotransmitters are essential for communication between neurons."