ctenidium
noun
cte·nid·i·um
-ēəm
plural ctenidia
-ēə
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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“Ctenidium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ctenidium. Accessed 22 Nov. 2024.
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