title: A behavioural model for the study of facial nociception and the effects of descending modulatory systems in the rat.
mesh_terms: D000818:Animals; D001931:Brain Mapping; D004594:Electrophysiology; D005145:Face / Q000294:innervation*; D006358:Hot Temperature; D010146:Pain / Q000503:physiopathology*; D010487:Periaqueductal Gray / Q000502:physiology*; D010812:Physical Stimulation / Q000295:instrumentation*; D051381:Rats; D012684:Sensory Thresholds; D014275:Trigeminal Caudal Nucleus / Q000502:physiology*; D014279:Trigeminal Nucleus, Spinal / Q000502:physiology*