water vascular system


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Noun1.water vascular system - system of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration
echinoderm - marine invertebrates with tube feet and five-part radially symmetrical bodies
vascular system - the vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plant
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It also possessed an internal ring, which they interpreted as part of the water vascular system 6 made up of fluid-filled canals used for feeding and movement.
430 Million-Year-Old Fossilized Creature Might Be Sea Cucumbers' Ancestor
The five-lobed hydrocoel grows around the larval esophagus and fuses with itself to form the ring canal and radial canals of the water vascular system. Pentamerous patterning of other juvenile structures (other coelomic compartments, skeleton, nervous system, etc.) begins after the formation of the early water vascular system.
Abbreviated Development of the Brooding Brittle Star Ophioplocus esmarki
The red color is due to the presence of hemoglobin containing coelomocytes (RBCs) present in the water vascular system (Christensen 1999).
A new distribution record and notes on the biology of the brittle star Ophiactis simplex (Echinodermata: Ophiuroidea) in Texas
Together, these structures constitute the water vascular system, an important distinguishing feature of the phylum.
Madreporite function and fluid volume relationships in sea urchins
The water vascular system of asteroids serves crucial roles in locomotion, food handling, respiration and, in many species, burrowing.
The functional morphology of starfish tube feet: the role of a crossed-fiber helical array in movement
One of the most distinctive characteristics of echinoderms is their water vascular system - a unique arrangement of fluid-filled coelomic passages and associated parts.
The structure and mode of function of the water vascular system of a brittlestar, Ophioderma appressum

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