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germinal vesicle

American  

noun

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


germinal vesicle British  

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

Etymology

Origin of germinal vesicle

First recorded in 1850–55

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The subsequent behavior of the pollen cell, its division and its fertilization of the germinal vesicle or oosphere, leave no doubt as to its analogy with the microspore of vascular cryptogams.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

This embryo is the product of fertilization of a germinal vesicle by a pollen tube.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

The protoplasm of the ovum, except at that part of the surface where the germinal vesicle lies, is packed with a great amount of food material, the yolk granules.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

This germinal vesicle divides, and one moiety is budded off from the ovum.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

They are nucleated cells, the nucleus going by the special name of the germinal vesicle and the nucleolus the germinal spot.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

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