in taxon Schistosoma mansoni Schistosoma mansoni adult male worm stage An adult male worm stage of Schistosoma mansoni that is fully developed mature male stage of Schistosoma mansoni and found in the small inferior mesenteric blood vessels surrounding the large intestine of the mammalian host. Priti Parikh Jie Zheng Chris Stoeckert S. mansoni adult male worm stage adult male parasitic worm stage Schistosoma mansoni adult worm stage