se·ro·to·ner·gic
| \ ˌsir-ə-tə-ˈnər-jik
\
variants:
or less commonly serotoninergic \ ˌsir-ə-ˌtō-nə-ˈnər-jik
\
: liberating, activated by, or involving serotonin in the transmission of nerve impulses
a serotonergic neuron serotonergic pathways