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water vascular system |
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water vascular system [′wȯd·ər ′vas·kyə·lər ‚sis·təm] (invertebrate zoology) An internal closed system of reservoirs and ducts containing a watery fluid, found only in echinoderms. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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