What is the term for a neurotransmitter that merely indirectly modifies the effect of another neurotransmitter (e.g. increases the effect that glutamate has when it binds), as opposed to more directly producing an excitatory or inhibitory effect as a direct consequence of binding to a receptor itself?
A)neuroregulator
B)agonist
C)neuromodulator
D)antagonist
E)microtransmitter

Question

Quizplus · Accepted Answer

Neuromodulators are substances that indirectly affect neurotransmitter systems, often by modifying the effects of other neurotransmitters rather than directly triggering excitatory or inhibitory responses themselves. They can enhance or diminish the effects of primary neurotransmitters like glutamate.

What Is the Term for a Neurotransmitter That Merely Indirectly