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germinal vesicle

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noun Embryology.
  1. the large, vesicular nucleus of an ovum before the polar bodies are formed.
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Origin of germinal vesicle

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for germinal vesicle

germinal vesicle

noun
  1. biology the large nucleus of an oocyte before it develops into an ovum
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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