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germinal vesicle

noun

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


germinal vesicle

noun

  1. biology the large nucleus of an oocyte before it develops into an ovum
“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
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Word History and Origins

Origin of germinal vesicle1

First recorded in 1850–55
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Example Sentences

Two-cell ATAC-seq enrichment for a random set of promoters were similarly analysed as a control. c, Heat maps showing expression levels of possible minor ZGA genes activated at the two-to-four-cell stage for their expression in germinal vesicle oocytes, MII oocytes, and two-to-four-cell embryos.

From Nature

The eggs of animals lower than the birds have usually only three parts, viz. the germinal spot or dot, the germinal vesicle, and the vitellus or yolk; the first being contained in the vesicle, and that again in the yolk.

These began in 1875 and following years with a careful examination of the behaviour of the germinal vesicle in the maturation and fertilization of the ovum.

The nucleus of the o�cyte is called the germinal vesicle.

The germinal vesicle of a mammalian ovum being about 1⁄1000 of an inch, mean diameter, might contain five hundred million of gemmules, which, if used up at the rate of one per second, would last more than seventeen years.

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germinal diskgerminant