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May 25, 2012
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blas•to•disk



Pronunciation: (blas'tu-disk"), [key]
—n. Embryol.
the blastula that forms as a flattened sphere on top of the yolk in the yolk-laden eggs of birds and reptiles. Also,blas'to•disc".

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

blastodermblastoff
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