the horny fibrous substance forming the skeleton of certain sponges
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AnswerCrossword Clue
keratosethe horny, fibrous substance forming the skeleton of certain sponges
sponginsThe horny or fibrous substance found in the skeleton of many sponges
baleenelastic, horny substance growing in place of teeth in the upper jaw of certain whales, and forming a series of thin, parallel plates on each side of the palate; baleen
baleenselastic, horny substance growing in place of teeth in the upper jaw of certain whales, and forming a series of thin, parallel plates on each side of the palate; baleen
spongesA piece of a soft, light, porous substance originally consisting of the fibrous skeleton of such an invertebrate but now usually made of synthetic material. Sponges absorb liquid and are used for washing and cleaning
keratosehaving a skeleton formed of horny fibers, as certain sponges