germinal vesicle

American  

noun

Embryology.

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

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germinal vesicle British  

noun

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

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Etymology

Origin of germinal vesicle

First recorded in 1850–55

Example Sentences

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

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)

"The ovarian eggs of all animals are identical, small cells with vitellus, germinal vesicle and germinal spot."

From Facts and Arguments for Darwin by Muller, Fritz

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

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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