baleen

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baleen:

see whalewhale,
aquatic mammal of the order Cetacea, found in all oceans of the world. Members of this order vary greatly in size and include the largest animals that have ever lived. Cetaceans never leave the water, even to give birth.
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baleen

[be′lēn]
(vertebrate zoology)
A horny substance, growing as fringed filter plates suspended from the upper jaws of whalebone whales. Also known as whalebone.

baleen

whalebone
References in periodicals archive ?
Travelling inside the whale's mouth, 3-D images show how teeth have formed huge baleen plates which act like sieves, filtering out 70 tons of water from the throat pouch, and how the whale's tongue brushes industrial quantities of krill down its throat.
The water drains out of the mouth through the baleen plates, leaving behind a trapped mouthful of food.
The right whale lumbers along with its mouth half open filtering out plankton, its food, through the baleen plates.
While massive in size--45 feet in length and weighing an average of 70,000 pounds--they eat only small fish and krill by using large filter-like baleen plates.