Sarcocystis suihominis and S. bovihominis
Name
Greek: sarx = meat, flesh; kystos = cyst. Latin: sus = porc, pig; homo = human; bos = cattle; Miescher’s tubes = long cysts in muscle fibers detected by the swiss scientist Miescher (1811–1887).
Geographic Distribution/Epidemiology
Worldwide, probably several hundred million humans are infected from time to time. However, only rather few show clear significant symptoms for a short period of 24 h after an infection.
Morphology/Life Cycle
Infections occur with S. suihominis and S. bovihominis, if humans eat raw or undercooked meat of pigs respectively cattle that contains tissue cysts of these two species (Figs. 1, 2, 3, and 4). These cysts contain cystozoites (Fig. 4) and are characterized by different types of protrusions of the primary cyst wall. In the intestine of humans the cystozoites are set free and enter the intestinal wall. Inside the cells of subepithelial layer (lamina propria) gamogony starts and gives finally rise to fully...
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Further Readings
Heydorn AO, Mehlhorn H (1978) Light and electron microscopic studies on Sarcocystis suihominis.2. The schizogony preceeding cyst formation. Zentralbl Bakt, Parasitenkd, Infektionskrankh Hyg I Abt Orig A 235:373–391
Heydorn AO (1977) Beiträge zum Lebenszyklus von Sarkosporidien. IX. Untersuchungen zum Zyklus von Sarcocystis suihominis. Berl MünchTierärztl Wschr 90:218–224
Heydorn AO (1975) Proposal for a new nomenclature of the sarcosporidia. Zentralbl Bakt, Parasitenkd, Infektionskrankh, Hyg I Abt Ortig, Row 48:73–82
Mehlhorn H, Heydorn AO (1978) Thesarcosporidia: life cycle and fine structure. Adv Parasitol 16:43–92
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Mehlhorn, H. (2016). Sarcocystis Species: Humans as Final Hosts. In: Mehlhorn, H. (eds) Encyclopedia of Parasitology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-43978-4_4490
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DOI: https://doi.org/10.1007/978-3-662-43978-4_4490
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