资料来源 : pyDict

叉棘

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Pedicellaria \Ped`i*cel*la"ri*a\, n.; pl. {Pedicellari[ae]}.
   [NL. See {Pedicel}.] (Zo["o]l.)
   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. See Illustration in Appendix.