title: Molecules of intercellular communication in vertebrates, invertebrates and microbes: do they share common origins?
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002450:Cell Communication; D005658:Fungi / Q000502:physiology*; D006728:Hormones / Q000502:physiology*; D018521:Plant Physiological Phenomena
chemical_list: D006728:Hormones