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Dictionary » R » Radula

Radula

radula

Origin: L, a scraper, fr. Radere to scrape.

(Science: zoology) The chitinous ribbon bearing the teeth of mollusks; called also lingual ribbon, and tongue. See odontophore.


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Jussthink!

... than the highly intelligent cephalopods (including squid and octopods) because of their more recently derived characteristics (loss of the radula feeding structure). Echinodermata (including sea stars, sand dollars, sea cucumbers...) sort of went backwards when they developed radial symmetry ...

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by plasmidmap
Wed Apr 19, 2006 4:59 am
 
Forum: General Discussion
Topic: Jussthink!
Replies: 14
Views: 2075


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