2026-05-24T17:10:23Zhttps://keep.lib.asu.edu/oai/request

oai:keep.lib.asu.edu:node-1751862025-09-16T16:34:45Zoai_pmh:alloai_pmh:repo_items

175186 https://hdl.handle.net/10776/6692 2013-12-13 Hall, Brian Michaels, Chinami Arizona State University. School of Life Sciences. Center for Biology and Society. Embryo Project Encyclopedia. Arizona Board of Regents open access http://creativecommons.org/licenses/by-nc-sa/3.0/ Image <p>Illustration of the movement of the three hemispheres of cells, the animal cap (dark green) the marginal zone (lime green) and the ventral cap (yellow) during frog gastrulation. The external view column (images a.1-a.6) shows gastrulation as it occurs on the outside of the embryo. The cross-section view column (images b.1-b.6) shows the internal view of gastrulation. The cross-sections are through the middle of the embryo.</p> Blastula Gastrulation Ectoderm Endoderm Organisms The Process of Gastrulation in Frog Embryos