pedicellaria

listen to the pronunciation of pedicellaria
Englisch - Englisch
A small, stalk-shaped structure of the sea urchin and other echinoderms, which has three pincer-like structures at the end that perform cleaning functions and serve as defense against predators
See Illustration in Appendix
A peculiar forcepslike organ which occurs in large numbers upon starfishes and echini
Those of starfishes have two movable jaws, or blades, and are usually nearly, or quite, sessile; those of echini usually have three jaws and a pedicel