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Any of various chiefly tropical trematode worms of the family Schistosomatidae and especially the genus Schistosoma, many of which are parasitic in the blood of humans and other mammals. Also called bilharzia, blood fluke.

[New Latin Schistosōma, genus name : Greek skhistos, split; see schist + Greek sōma, body; see -some3.]

schis′to·som′al (-sō′məl) adj.


(Animals) any of various blood flukes of the chiefly tropical genus Schistosoma, which cause disease in man and domestic animals. Also called: bilharzia
[C19: from New Latin Schistosoma; see schist, -some3]


(ˈʃɪs təˌsoʊm)

1. Also called bilharzia. any trematode of the genus Schistosoma, parasitic in the blood of birds and mammals, including humans; a blood fluke.
2. Also, schis`to•so′mal. pertaining to or caused by schistosomes.
[1900–05; < New Latin Schistosoma <schist(us) (see schist) + -soma -some3]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.schistosome - flatworms parasitic in the blood vessels of mammals
trematode, trematode worm, fluke - parasitic flatworms having external suckers for attaching to a host
genus Schistosoma, Schistosoma - type genus of the family Schistosomatidae: blood flukes
References in periodicals archive ?
5 billion people worldwide followed by schistosomes and filarial worms infecting 200 million and over 120 million people, respectively.
Laboratory Rearing of Biomphalaria glabrata Snails and Maintenance of Larval Schistosomes In Vivo and In Vitro.
Schistosomes induce regulatory features in human and mouse CD1d(hi) B cells: inhibition of allergic inflammation by IL-10 and regulatory T cells.
Schistosomes also cause blood loss, as their eggs penetrate the intestinal wall.
Schistosomes causing Cercarial dermatitis(swimmer's itch), Coccidia and Sarcocystis are transmit through cranes, owls, ducks, waterfowls, cowbirds, andmallards.
Schistosomes, liver flukes and Helicobacter pylori .
Schistosomiasis is caused by a parasitic blood fluke that infects mammals including humans through skin penetration when in contact with fresh water contminated with larval forms (cercariae) known as schistosomes.
Methods: In vitro schistosomicidal assays and confocal laser scanning microscopy were used to evaluate the effects of cardamonin on adult schistosomes.
Arachidonic acid has been reported to kill juvenile and adult schistosomes in vitro and to reduce worm burdens by 50% to 78% in mice and hamsters infected with S.
9 33 18 Pseudomonas aeruginosa 2 16 0 Shigella sonnei 1 5 1 Parasite 37 895 44 Avian schistosomes 0 0 0 Cryptosporidium spp.
haematobium and are referred to as the major human schistosomes.