Any of a group of invertebrates with a three-layered body that has a fluid-filled body cavity (pseudocoelom) between the endoderm and the mesoderm (the innermost and middle tissue layers)
pseudocoelomate (sōō´dōsē´ləmāt´) , any of a group of invertebrates with a three-layered body that has a fluid-filled body cavity (pseudocoelom) between the endoderm and the mesoderm (the innermost and middle tissue layers). Definition of PSEUDOCOELOMATE. : an invertebrate (as a nematode or rotifer) having a body cavity that is a pseudocoel. — pseudocoelomate adjective. ADVERTISEMENT. pseudocoelomate (sōˌdōsēˈləmātˌ) [ key ], any of a group of invertebrates with a three-layered body that has a fluid-filled body cavity (pseudocoelom) between the endoderm and the mesoderm (the innermost and middle tissue layers). pseudocoelomate. (so͞o'dōsē`ləmāt') , any of a group of invertebrates with a three-layered body that has a fluid-filled body cavity (pseudocoelom) between the endoderm and the mesoderm (the innermost and middle tissue layers). Acoelomate. Pseudocoelomate. * An invertebrate having a body cavity that is pseudocoelomate. * Pseudocoelomate animals have a pseudocoel, (literally “false cavity”) which is a fully functional body cavity. Tissue derived from mesoderm only partly lines the fluid filled body cavity of these animals.
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what is a pseudocoelomate