. "The directed movement of serotonin into a cell, typically presynaptic neurons or glial cells. Serotonin (5-hydroxytryptamine) is a monoamine neurotransmitter occurring in the peripheral and central nervous systems." . . . "serotonin uptake" . "5-HT uptake" . "5-hydroxytryptamine uptake" . "5HT uptake" . "serotonin import" . . .