In the zebrafish, epiboly ensues when the animally localized blastoderm cells spread, thin over, and enclose the vegetally localized yolk.
Beth A Holloway, Sol Gomez de la Torre Canny, Ying Ye, Diane C Slusarski, ChristinaM Freisinger, Roland Dosch, Margaret M Chou, Daniel S Wagner, Mary C Mullins 2009, 'A novel role for MAPKAPK2 in morphogenesis during zebrafish development.', PLoS Geneticshttp://europepmc.org/articles/PMC2652113?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)