pedicellaria
/ˌpɛdɪsəˈlɛːrɪə
/noun (plural pedicellariae /ˌpɛdɪsəˈlɛːrɪiː/) 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.
Origin
Late 19th century: modern Latin, from Latin pediculus 'small foot' (see pedicel).
- you can't teach an old dog new tricks
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