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.
OriginLate 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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