Hektoen International

A Journal of Medical Humanities

Tag: Cells of an embryo

  • Cells of an embryo

    The layers of cells in an embryo, also known as germ layers, develop in stages to create all the parts of the living body. This image from 1874 illustrates exactly that. Showing the differing shapes of differing embryos, but matching the colors of each system across them, creates an effective tool. For example, the yellow…