Plural of ctenidium; multiple comb-like gill or filtering structures in aquatic animals, especially mollusks.
The plural form of 'ctenidium,' formed by replacing the singular '-ium' with the Greek/Latin plural '-ia.' This term is used in detailed zoological descriptions.
A scallop uses its paired cteninidia not just to filter food but also to detect vibrations in the water—essentially using its gills like an early warning system for approaching predators!
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