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单词 polyclad
释义

polyclad

/ˈpɒlɪklad/
Zoology
adjective
Of or relating to the order Polycladida of turbellarian flatworms, having a main intestine with more than four branches.
noun
A polyclad flatworm.

Origin

Late 19th century; earliest use found in George Rolleston (1829–1881), physician and physiologist. From polyclad- (in scientific Latin Polycladidea or Polycladida, order (or suborder) names; from poly- + ancient Greek κλάδος branch + scientific Latin -idea and -ida, respectively: see -id). Compare Hellenistic Greek πολύκλαδος having many branches.

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更新时间:2025/1/9 6:30:54