deuterostome

noun deu·tero·stome \ ˈdü-tə-rō-ˌstōm also ˈdyü- \

Definition of deuterostome

:any of a major division (Deuterostomia) of the animal kingdom that includes the bilaterally symmetrical animals (such as the chordates) with indeterminate cleavage and a mouth that does not arise from the blastopore

Origin and Etymology of deuterostome

New Latin Deuterostomia, group name, from deuter- + Greek stoma mouth — more at stomach


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