Life cycles of schistosomiasis

Allen G.P. Ross, Li Yuesheng

    Research output: Book chapter/Published conference paperChapter (peer-reviewed)peer-review

    2 Citations (Scopus)


    The schistosome life cycle is shown in Fig. 3.1 for three species and in Fig. 3.2 for S. japonicum which is zoonotic. Unlike other trematodes, schistosomes are dioecious (i.e. they have separate sexes), with the adults having a cylindrical body 7 to 20 mm in length featuring two terminal suckers, the complex tegument, a blind digestive tract and reproductive organs. The worms have a complex life cycle that involves infection of fresh-water molluscs that act as intermediate hosts and the bloodstream of higher order vertebrate as definitive hosts (Shiff 2000; Ross et al. 2002, 2012). Schistosomes have coevolved with their molluscan and mammalian hosts resulting in a wellbalanced and highly efficient means of transmission (Shiff 2000).

    Original languageEnglish
    Title of host publicationSchistosoma
    Subtitle of host publicationBiology, pathology and control
    EditorsBarrie G.M. Jamieson
    Place of PublicationBoca Raton, Florida
    PublisherCRC Press
    Number of pages4
    ISBN (Electronic)9781498744263
    ISBN (Print)9781498744256
    Publication statusPublished - 2016


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