cercaria

cercaria
[səːˈkɛːrɪə]
(pl. cercariae -ɪiː)
  1. (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
语源
  1. mid 19th cent.: modern Latin, formed irregularly from Greek kerkos 'tail'
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