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Unformatted text preview: of each embryonic cell very early. deuterostome development (du'-tuh-ro-stom) In animals, a developmental mode distinguished by the development of the anus from the blastopore; often also characterized by radial cleavage and by the body cavity forming as outpockets of mesodermal tissue. Diploblastic Having two germ layers. Ecdysozoan Member of a group of animal phyla...
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- Spring '10