Assertion: whale's structure | /r/Synonym | baleen plates
Facets:
Source sentences:
text: Their upper jaws are equipped with comb-like structures called baleen plates.
text: Blue Whales do not have real teeth, but rather they have about one meter long teeth like structures called baleen plates.
text: These structures are called baleen plates, and the hairs which actually trap the food are called baleen hairs.