The transmission of morphogenetic signals from amphibian mesoderm to ectoderm in primary induction.
D000663:Amphibians / Q000196:embryology*; D000818:Animals; D002454:Cell Differentiation; D002474:Cell-Free System; D004475:Ectoderm / Q000502:physiology*; D004627:Embryonic Induction; D007668:Kidney / Q000196:embryology; D008322:Mammals / Q000196:embryology; D008567:Membranes, Artificial; D008648:Mesoderm / Q000502:physiology*; D009024:Morphogenesis; D009420:Nervous System / Q000196:embryology*
D008567:Membranes, Artificial