animal pole
Noun
Meaning
animal pole (plural animal poles)
(embryology) The hemisphere of the blastula which eventually gives rise to the three germ layers and is composed of small cells that are in a state of rapid division.
Examples
The fourth division occurs mainly in blastomeres in the animal pole, which divide transversally as well as equally to make eight blastomeres.
The third cleavage is equal and equatorial so that the embryo has four blastomeres both in the vegetal and the animal pole.