英语词汇“cercaria”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

cercaria

/səːˈkɛːrɪə

noun (plural cercariae /səːˈkɛːrɪiː/) Zoology

A free-swimming larval stage in which a parasitic fluke passes from an intermediate host (typically a snail) to another intermediate host or to the final vertebrate host.Tadpoles in ponds with snails pick up trematode larvae, called cercariae....

Once the cercaria enters the second intermediate host, it sheds its tail and becomes a metacercaria, which is little more than a miniature, but sexually immature, adult, that may, or may not, encyst.
Inside these slime balls are cercariae of the fluke, nicely encased in a ‘mini’ aquatic habitat, albeit a temporary one.

Origin

Mid 19th century: modern Latin, formed irregularly from Greek kerkos 'tail'.

单词	cercaria
释义	cercaria /səːˈkɛːrɪə / noun (plural cercariae /səːˈkɛːrɪiː/) Zoology A free-swimming larval stage in which a parasitic fluke passes from an intermediate host (typically a snail) to another intermediate host or to the final vertebrate host.Tadpoles in ponds with snails pick up trematode larvae, called cercariae.... Once the cercaria enters the second intermediate host, it sheds its tail and becomes a metacercaria, which is little more than a miniature, but sexually immature, adult, that may, or may not, encyst. Inside these slime balls are cercariae of the fluke, nicely encased in a ‘mini’ aquatic habitat, albeit a temporary one. Origin Mid 19th century: modern Latin, formed irregularly from Greek kerkos 'tail'.
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