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单词 rhopalium
释义

rhopalium

/rəʊˈpeɪlɪəm/
Zoology
noun
In many jellyfishes: any of several small, club-shaped sensory structures (usually four or eight) that project from the margin of the umbrella, typically containing statoliths and ocelli.
  • Rhopalia are characteristic of the classes Scyphozoa and Cubozoa..

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From post-classical Latin rhopalium from ancient Greek ῥόπαλον club + scientific Latin -ium.

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更新时间:2024/11/11 9:10:34