单词 | deuterostome |
释义 | deu·ter·o·stome (dtə-rō-stōm′) n. Any of a numerous animals of the group Deuterostomia, in which the anus develops from the first opening in the embryo and the mouth develops later, and including the echinoderms, hemichordates, and chordates. [From New Latin Deuterostomia, taxon name : DEUTERO- + New Latin stoma; see STOMA.] |
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