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am·phi·blas·tu·la | \ ¦amfə̇- \
plural amphiblastulae
Definition of amphiblastula
: a free-swimming larva of certain sponges that is essentially a blastula with small flagellated cells in one hemisphere and large nonflagellated cells in the other
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Time Traveler for amphiblastula
The first known use of amphiblastula was in 1875
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