单词	sporocyst
释义	sporocyst /ˈspɒrəsɪst / /ˈspɔːrəsɪst/ noun Zoology 1A parasitic fluke in the initial stage of infection in a snail host, developed from a miracidium.Eggs are produced and hatch inside the daughter sporocysts, releasing free-swimming miracidia.... Once it reaches the final site, the larva transforms into a sporocyst, which is little more than an amorphous, germinal sac. Second, it can encyst inside a daughter sporocyst as a metacercariae, be voided with the sporocyst, and then be consumed by the benthic-feeding definitive host, rosyside dace. 1.1(In parasitic sporozoans) an encysted zygote in an invertebrate host.
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