Water-vascular-system definitions

wô'tər-văs'kyə-lər, wŏt'ər-
A system of water-filled canals derived from the coelom that connects the tube feet of echinoderms.
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In echinoderms, a system of closed tubes and ducts filled with seawater containing some protein, and functioning variously, as in locomotion, food gathering, clinging, and respiration.
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The definition of a water-vascular system is a system of fluid-filled tubes within the body of starfish and sea urchins that is used for movement and respiration.

An example of a water-vascular system is a fluid-filled canal inside a starfish that helps it move around.

noun
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