<Li> Unipolar brush cells </Li> <Ul> <Li> Parvalbumin - expressing interneurons </Li> <Li> Cholinergic interneurons </Li> <Li> Tyrosine hydroxylase - expressing interneurons </Li> <Li> Calretinin - expressing interneurons </Li> <Li> Nitric oxide synthase - expressing interneurons </Li> </Ul> <Li> Parvalbumin - expressing interneurons </Li> <Li> Tyrosine hydroxylase - expressing interneurons </Li>

Inhibitory interneurons associated with the reflex arc are turned on by glutamate