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sporocyst |
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sporocyst /spo·ro·cyst/ (-sist) 1. any cyst or sac containing spores or reproductive cells. 2. a germinal saclike stage in the life cycle of digenetic trematodes, produced by metamorphosis of a miracidium and giving rise to rediae. 3. a stage in the life cycle of certain coccidian protozoa, contained within the oocyst, produced by a sporoblast, and giving rise to sporozoites.
sporocyst [spôr′əsist] Etymology: Gk, sporos + kystis, bag 1 any structure containing spores or reproductive cells. 2 a saclike structure, or oocyst, secreted by the zygote of certain protists before sporozoite formation. 3 the second larval stage in the life cycle of parasitic flukes. The saclike organism develops from the miracidium, or first larval stage, in the body of a freshwater snail host and contains germinal cells that give rise either to daughter sporocysts that develop into cercariae or to rediae. See also fluke. sporocyst 1. any cyst or sac containing spores or reproductive cells; contained in the oocyst of coccidia in which sporozoites develop. 2. the larval stages of flukes in snails. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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