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 |