Definition of pedicellaria in English:
noun (plural pedicellariae /-ˈle(ə)rēˌē/)Zoology
A defensive organ like a minute pincer present in large numbers on an echinoderm.
- Some types of pedicellariae and specialized spines of urchins contain venom used in self-defense.
- Typically, these are tube feet, pedicellaria, and gills.
- Accessory ossicles are the spines, spinelets, granules, and pedicellariae that occur in abundance on most asteroids.
Definition of pedicellaria in:
- British & World English dictionary
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