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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Hyperosmotic properties of the fluids of the perivisceral coelom and water vascular system of starfish kept under stable conditions.
A re-appraisal of the fluid loss resulting from the operation of the water vascular system of the starfish, Asterias rubens.
The water vascular system in living and fossil echinoderms.
Maintenance of fluid volume in the starfish water vascular system. Nature (Lond.) 262: 577-578.
The organization of the entire water vascular system is shown in Figure 3, and a more detailed representation of the complex madreporite-axial structure in Figure 4.
The ring canal, like the other canals of the water vascular system, is lined with squamous cells surrounded by an elastic membrane, fibrous connective tissue, and a few muscle cells [ILLUSTRATION FOR FIGURE 13, 14 OMITTED].