pseudocoelom
pseudocoelom A second body cavity (the first being the gut) which occupies a space between the mesoderm of the body wall and the endoderm of the gut. There are no mesenteries suspending the internal organs and no muscular layers around the gut; thus in no pseudocoelomate animal does muscular peristalsis move food through the alimentary canal.
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Coelom , coelom A fluid-filled (see COELOMIC FLUID) body cavity that originates by the splitting of the mesoderm of triploblastic animals. It separates the mu… Animal , Animal
Animals are creatures in the kingdom Animalia, one of the five major divisions of organisms. They are multicelled, eukaryotic (pronounced yook… Metameric Segmentation , metameric segmentation The repetition of organs and tissues at intervals along the body of an animal, thus dividing the body into a linear series of… Pseudocoelomate , pseudocoelomate Describing any invertebrate animal whose body cavity is a pseudocoel, a cavity between the gut and the outer body wall derived from a… Metazoan , In the tenth edition of his book Systema Naturae (1758), Swedish botanist Carolus Linnaeus developed a biological classification system (now known as… Locomotion , Animals have evolved an amazing variety of ways to get around. There are animals with no legs; animals with one appendage that serves as a "leg" (sna…
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pseudocoelom