|Description:||This magnified view reveals a female Schistosoma mansoni trematode. Take a look at PHIL 11193, which depicts a male S. mansoni, and PHIL 11194, which depicts two mating worms. in which case you can see the thinner female cradled inside the thicker male worm's gynecophoral canal.|
While inside their human hosts, the adult works reside in the mesenteric venules in various locations, which at times seem to be specific for each specie. For instance, S. mansoni occurs more often in the superior mesenteric veins draining the large intestine.