Having an operculum; fitted with or closed by an operculum; operculate.
one bounding the operculum below and more or less behind: the suboperculum
one between your suboperculum as well as the operculum on one-hand and preoperculum in-front: the interoperculum, which is connected by a ligament using the lower jaw; and
a completely split take into account front associated with the operculum and connected with the suspensorium regarding the lower jaw: the preoperculum. The first, 2nd, and fourth of these are united into a more or less movable cover which covers the gills. All tend to be created into the typical teleosts, but a number of tend to be wanting in some fishes. See cut under teleost.