a system of closed, fluid-filled tubes and ducts of echinoderms used in clinging, locomotion, feeding, and respiration.
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How to use water-vascular system in a sentence
The diverticula from the alimentary cavity form the water-vascular system and the somatic and splanchnic layers of mesoblast.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
The cavity of the diverticula after the separation of the water-vascular system, forms the body-cavity.The Works of Francis Maitland Balfour, Volume 1 | Francis Maitland Balfour
They have locomotor organs, the ambulacra, and a water-vascular system peculiar to themselves.The Sea-beach at Ebb-tide | Augusta Foote Arnold
The tube-feet are in connection with a system of vessels filled with fluid, known as the water-vascular system of the Starfish.Stories of the Universe: Animal Life | B. Lindsay
The water-vascular system is a structure common to all Echinoderms; and vessels of a comparable character are found in some worms.Stories of the Universe: Animal Life | B. Lindsay