3d isometric flat conceptual of endoderm, mesoderm and ectoderm

mesoderm cell totipotent organogenesis ectoderm stem pluripotent isometric vector 3d cartoon illustration flat concept background icon design endoderm embryonic zygote differentiation blastocyst tissue fetus gastrula epithelial gastrulation germ multicellular human scheme lung morula bone blastula dna multipotent fat pigment nerve intestinal muscle egg anatomy stomach body neurons development cardiac