The previous page is sending you to https://www.alamy.com/the-biology-of-the-frog-frogs-the-development-of-the-frog-97-of-mesoderm-extend-ventrally-until-they-meet-below-and-come-to-surround-the-archenteron-except-for-a-short-space-along-the-dorsal-side-the-sheets-of-mesoderm-soon-be-come-split-into-an-inner-or-splanchnic-layer-which-lies-next-to-the-archenteron-and-an-outer-parietal-or-somatic-layer-which-lies-next-to-the-ectoderm-the-space-between-these-two-layers-of-mesoderm-is-the-bc-inning-of-the-ccelom-or-fig-21-transverse-section-through-the-middle-of-a-frogs-embryo-ch-notochord-e-ectoderm-ai-mesoderm-ag-neural-gr-image234606881.html.

 If you do not want to visit that page, you can return to the previous page.