-ˈman(t)səˌnī noun
Etymology: schistosomiasis + New Latin mansoni (specific epithet of Schistosoma mansoni ), gen. of Mansonus, latinization of the name of Sir Patrick Manson died 1922 British physician and parasitologist
: schistosomiasis caused by the worm ( Schistosoma mansoni ) occurring chiefly in central Africa and eastern So. America and predominantly involving infestation of the mesenteric and portal veins