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British Dictionary definitions for blastopor

blastopor

noun
  1. embryol the opening of the archenteron in the gastrula that develops into the anus of some animals
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Derived Formsblastoporic or blastoporal, adjective
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