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Definition of Vegetal pole
1. Noun. (context: embryology) The hemisphere of the blastula opposite to the animal pole comprising of large yolk cells dividing at a slower rate that eventually differentiate into the extraembryonic membranes. ¹
¹ Source: wiktionary.com
Medical Definition of Vegetal pole
1. Of vertebrate eggs. The surface of the egg opposite to the animal pole. Usually the cytoplasm in this region is incorporated into future endoderm cells. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)