cercaria
/sɜːˈkeərɪə/noun
(pl. cercariae /-ɪiː/)
- 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。
词源
mid 19th cent.: modern Latin， formed irregularly from Greek kerkos 'tail'.