the formative part of an ovum, having the greatest amount of cytoplasm and containing the nucleus.
It commences with a vertical furrow at the animal pole, extending through about one-fifth of the circumference.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour
At the animal pole four small cells, entirely formed of protoplasm, are next formed by an equatorial furrow.
The Works of Francis Maitland Balfour, Volume II (of 4) Francis Maitland Balfour
The diagrams show the positions of the segmentation spheres and of the contained nuclei as seen from the animal pole.
The Biological Problem of To-day Oscar Hertwig
animal pole n.
The nuclear site in an ovum and the point from which polar bodies are extruded during maturation. Also called germinal pole.
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