tube feet defined in 1951 yeartube feet - tube feet (podia);
tube feet - Of Echinodermata, hollow extensile appendages connected to the water vascular system. In some groups (starfish, sea-urchins) they end in suckers and are loco-motor, in others (brittle stars, crinoids) suckers are absent. Those around the mouth may be used for feeding (sea cucumbers, brittle stars). In crinoids they are ciliated and are part of food-collecting mechanism.
near tube feet in Knolik
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