Assertion: sea urchin's structure | /r/Synonym | pedicellaria
Facets:
Source sentences:
text: Scattered on their spines are claw-like structures called pedicellaria (plural: pedicellariae).
text: Another structure that is commonly found with almost all sea urchins is the pedicellaria, tiny stalked valves used to keep the surface of the sea urchin clean by removing small particles it encounters.
text: These structures (known as pedicellarines) are small stinging structures that are not only used for defence and obtaining food, but are also vital in keeping the body of the sea urchin clean.
text: These long and sharp spines and their claw-shaped structures called pedicellaria protect them from predators, and they also help in gathering food as well as keeping their body clean from debris.
text: Also located among the spines and near the mouth are pincer-like structures called pedicellaria.
text: Minute pincer-like structures called pedicellaria are present.