operculum

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Words related to operculum

a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted

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Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
(1989) used mark-recaptured whelks, growth lines on the operculum and laboratory-reared individuals to estimate the growth rate and age of knobbed whelks in an intertidal sand flat in Virginia.
To protect against the line breaking from rubbing on rocks, the fish's gills or their razor sharp operculums (gill covers), I like to use a four to six foot mono leader of 50 lb.