title: Evolutionary perspectives of peptides from gut endocrine cells and nerves.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005768:Gastrointestinal Hormones / Q000502:physiology*; D009417:Nerve Tissue / Q000502:physiology; D009419:Nerve Tissue Proteins / Q000502:physiology*; D010455:Peptides / Q000502:physiology*; D013329:Structure-Activity Relationship
chemical_list: D005768:Gastrointestinal Hormones; D009419:Nerve Tissue Proteins; D010455:Peptides