Assertion: echinoderm's structure | /r/Synonym | pedicellaria
Facets:
Source sentences:
text: Minute pincer-like structures called pedicellaria are present.
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: Scattered on their spines are claw-like structures called pedicellaria (plural: pedicellariae).