title: Mechanisms of first and second pain in the peripheral and central nervous systems.
mesh_terms: D000344:Afferent Pathways / Q000502:physiology; D000818:Animals; D002490:Central Nervous System / Q000502:physiology*; D006358:Hot Temperature; D006801:Humans; D008465:Mechanoreceptors / Q000502:physiology; D009434:Neural Pathways / Q000502:physiology; D009474:Neurons / Q000502:physiology; D010146:Pain / Q000503:physiopathology*; D012867:Skin / Q000294:innervation; D013133:Spinothalamic Tracts / Q000502:physiology