water-vascular system

[ waw-ter-vas-kyuh-ler, wot-er- ]

noun

, Zoology.

1. a system of closed, fluid-filled tubes and ducts of echinoderms used in clinging, locomotion, feeding, and respiration.

Word History and Origins

Origin of water-vascular system¹

First recorded in 1865–70

Example Sentences

The diverticula from the alimentary cavity form the water-vascular system and the somatic and splanchnic layers of mesoblast.

From Project Gutenberg

The cavity of the diverticula after the separation of the water-vascular system, forms the body-cavity.

From Project Gutenberg

They have locomotor organs, the ambulacra, and a water-vascular system peculiar to themselves.

From Project Gutenberg

The tube-feet are in connection with a system of vessels filled with fluid, known as the Water-vascular System of the Starfish.

From Project Gutenberg

The Water-vascular System is a structure common to all Echinoderms; and vessels of a comparable character are found in some worms.

From Project Gutenberg