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bipinnaria
[ bahy-pi-nair-ee-uh ]
noun
plural bipinnariae bipinnarias.
- the free-swimming, bilaterally symmetrical larva of certain starfishes.
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51Թ History and Origins
Origin of bipinnaria1
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Example Sentences
Examples have not been reviewed.
Larva of another Bipinnaria, showing the commencement of the Starfish.—g, canal of the ciliated sac; i, rudiments of tentacles; d, ciliated band.
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The bipinnaria larva of an echinoderm, the trochosphere larva of an annelid, the blastodermic vesicle of a mammal are all as highly specialized as their respective adults, but the specialization is for a different purpose, and of a different kind to that which characterizes the adult.
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