The Radula of Gastropods

 
     

Radula function in Snails (Gastropoda).
Description: e = Oesophagus; m = Mouth opening; mx = Jaw; o = Radula gristle (Odontophor); op = Odontophor extension muscle; r = Radula; rp = Radula extension muscle;
rr = Radula retractor muscle. Source: Wikipedia.

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