Are pedicellaria modified?
Note
edicellariae are modified spines which have a pincer-like structure at one end. Pedicellariae are one of several specific minute organs, which resemble forceps which are carried in large numbers on the external integument of the sea urchins and starfish and also often on the dorsal spines of the marine urchins.
Note
edicellariae are modified spines which have a pincer-like structure at one end. Pedicellariae are one of several specific minute organs, which resemble forceps which are carried in large numbers on the external integument of the sea urchins and starfish and also often on the dorsal spines of the marine urchins.
