Preferred Label : water vascular system;
Uberon definition : The water vascular system is a hydraulic system used by echinoderms, such as sea stars
and sea urchins, for locomotion, food and waste transportation, and respiration. The
system is composed of canals connecting numerous tube feet. Echinoderms move by alternately
contracting muscles that force water into the tube feet, causing them to extend and
push against the ground, then relaxing to allow the feet to retract.;
Origin ID : 0008251;
existence ends during
- has part
The water vascular system is a hydraulic system used by echinoderms, such as sea stars
and sea urchins, for locomotion, food and waste transportation, and respiration. The
system is composed of canals connecting numerous tube feet. Echinoderms move by alternately
contracting muscles that force water into the tube feet, causing them to extend and
push against the ground, then relaxing to allow the feet to retract.
