here to close Hello! We notice that
you are using Internet Explorer, which is not supported by Echinobase
and may cause the site to display incorrectly. We suggest using a
current version of Chrome,
Definition: "The apical most region of the vegetal hemisphere. Once cleavages have started the vegetal pole is characterized by the presence of the micromeres initially and then that of the small micromeres"
fully grown oocyte with centered germinal vesicle stage to prism stage