Definition of cercaria in English:

cercaria

nounPlural cercariaesəːˈkɛːrɪəˌsərˈkerēə

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.
〔动〕摇尾幼虫，尾蚴
Example sentencesExamples
- The larvae inside the snail host produce several thousands of cercariae.
- Inside these slime balls are cercariae of the fluke, nicely encased in a ‘mini’ aquatic habitat, albeit a temporary one.
- 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.
- Only the tadpoles that were exposed to cercariae developed deformities.
- Tadpoles in ponds with snails pick up trematode larvae, called cercariae.

Origin

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

Definition of cercaria in US English:

cercaria

nounˌsərˈkerēə

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.
〔动〕摇尾幼虫，尾蚴
Example sentencesExamples
- Only the tadpoles that were exposed to cercariae developed deformities.
- Tadpoles in ponds with snails pick up trematode larvae, called cercariae.
- Inside these slime balls are cercariae of the fluke, nicely encased in a ‘mini’ aquatic habitat, albeit a temporary one.
- The larvae inside the snail host produce several thousands of 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.

Origin

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

单词	cercaria
释义	Definition of cercaria in English: cercaria nounPlural cercariaesəːˈkɛːrɪəˌsərˈkerēə 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. 〔动〕摇尾幼虫，尾蚴 Example sentencesExamples The larvae inside the snail host produce several thousands of cercariae. Inside these slime balls are cercariae of the fluke, nicely encased in a ‘mini’ aquatic habitat, albeit a temporary one. 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. Only the tadpoles that were exposed to cercariae developed deformities. Tadpoles in ponds with snails pick up trematode larvae, called cercariae. Origin Mid 19th century: modern Latin, formed irregularly from Greek kerkos 'tail'. Definition of cercaria in US English: cercaria nounˌsərˈkerēə 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. 〔动〕摇尾幼虫，尾蚴 Example sentencesExamples Only the tadpoles that were exposed to cercariae developed deformities. Tadpoles in ponds with snails pick up trematode larvae, called cercariae. Inside these slime balls are cercariae of the fluke, nicely encased in a ‘mini’ aquatic habitat, albeit a temporary one. The larvae inside the snail host produce several thousands of 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. Origin Mid 19th century: modern Latin, formed irregularly from Greek kerkos ‘tail’.
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