The plural form referring to multiple organisms or structures with secondary mouth-like openings, or organisms belonging to the Deuterostomia group.
From Greek deuteros (second) + stoma (mouth) + -ata (plural). The plural form of deuterostoma, also used as a taxonomic grouping.
You are a deuterostome! Humans, fish, and starfish all belong to this group because our mouth formed from one opening in the embryo, while our anus formed from another—totally different from insects and worms.
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