title: [Pain (up-date)].
mesh_terms: D000344:Afferent Pathways / Q000502:physiology; D000698:Analgesia; D004723:Endorphins / Q000502:physiology; D006801:Humans; D009619:Nociceptors / Q000502:physiology*; D010146:Pain / Q000503:physiopathology*; D012677:Sensation / Q000502:physiology*
chemical_list: D004723:Endorphins
vernacular_title: Dolor (actualización).