pedicellaria

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Related to Pedicellariae: Aristotle's lantern, stone canal

pedicellaria

(ˌpɛdɪsəˈlɛərɪə)
n
(Zoology) zoology one of the jaw-like extensions consisting of three pincers found on the body of echinoderms and used for defensive purposes
References in periodicals archive ?
2002), probably through the "spine system," the tube feet and the pedicellariae (Smith et al.
With the high concentration diet, protein and carbohydrate content per larvae remained relatively constant through day 17 after fertilization, through the 8-arm stage, and then significantly increased by day 20 coinciding with the first appearance of the rudiment stage, remaining high by day 24, coinciding with the first appearance of pedicellariae.
In larvae, day 20 coincides with the first appearance of the rudiment stage and day 24 coincides with the first appearance of pedicellariae.