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单词 ctenidium
释义 cte·nid·i·um
\-ēəm\ noun
(plural ctenid·ia \-ēə\)
Etymology: New Latin, from cten- + -idium
1. : the gill of a mollusk consisting typically of a respiratory structure that resembles a comb or feather, has a main stem with lateral lamellae, and is developed from the inner side of the mantle — distinguished from ceras
2. : a structure consisting of a row of spines resembling the teeth of a comb on the head or thorax, or both, of certain fleas
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