Animal Pole
Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.
Summary
The animal pole is the region of an egg cell where the formative cytoplasm is concentrated, contrasting with the vegetative pole. This distinction is characteristic of telolecithal eggs, such as those found in fish and amphibians.
Encyclopedia entry (1928–1936)
ANIMAL POLE, the pole at which the formative plasma is concentrated in egg cells of the telolecithal type, in contrast to the vegetative pole; the latter is where the nutritive yolk is concentrated, for example, in the eggs of fish and amphibians (see Egg).
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“Animal Pole.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/animal-pole/