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Diagrammatic transverse view of the buccal cavity of a gastropod, showing the radula and how it is used. The rest of the body of the snail is shown in green. The food is shown in blue. Muscles that control the radula are shown in brown. The surface of the radula ribbon, with numerous teeth, is shown as a zig-zag line.

The Radula is an anatomical structure found in molluscs and it is used for feeding.

It is a minutely toothed, chitinous ribbon and it is typically used for scraping or cutting food before it enters the oesophagus.

The radula is unique to molluscs and it is found in all clades, except for bivalves.

The introduction of the term "radula" is attributed to Alexander von Middendorff, who was a Russian zoologist.


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