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blastosphere

[blas-tuh-sfeer]
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noun Embryology.
  1. a blastula, especially a blastocyst.
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Origin of blastosphere

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for blastosphere

blastosphere

noun
  1. another name for blastula
  2. another name for blastocyst (def. 1)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012