Crustacea
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Crustacea
[krus-ta´shah]a class of arthropods including the lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Crus·ta·ce·a
(krŭs-tā'shē-ă),A large class of aquatic animals (phylum Arthropoda) with a chitinous exoskeleton and jointed appendages; for example, the crab, lobster, crayfish, shrimp, isopods, ostracods, and amphipods. Some, (for example, certain copepods), are parasitic; others serve as intermediate hosts for parasitic worms that cause disease in humans and various other vertebrates.
See also: Copepoda.
See also: Copepoda.
[L. crusta, a crust]
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