Fig. 4From: Serotonin stimulates Echinococcus multilocularis larval developmentEffect of serotonin on E. multilocularis. a Metacestode vesicle development from primary cells in the presence of serotonin. Shown is relative vesicle formation compared to untreated control cultures. Error bars represent the SD. b Proliferation of metacestode vesicles treated with serotonin for 7 days. Shown are the percentages of thymidine analogue 5-ethynyl-2′-deoxyuridine (EdU)-positive cells. Error bars represent the SD Back to article page