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opercle
[ oh-per-kuhl ]
noun
- an operculum, especially the posterior bone of the operculum of a fish.
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Word History and Origins
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Example Sentences
In Erpetoichthys only the opercle is distinct among the gill-covers.
From Project Gutenberg
The tip of its opercle is prolonged like an ear and jet black in color, with a dash of bright scarlet along its lower edge.
From Project Gutenberg
Overlying these is the system of membrane bones already mentioned, including the opercle or gill-cover.
From Project Gutenberg
On our sunfish we see that the opercle ends behind in a long and narrow flap, which looks like an ear.
From Project Gutenberg
The largest uppermost flat bone of the gill-covers is known as the opercle .
From Project Gutenberg
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