Pain mechanisms.
D000700:Analgesics / Q000494:pharmacology*; D000777:Anesthetics / Q000494:pharmacology*; D000818:Animals; D004285:Dogs; D006801:Humans; D010146:Pain; D010827:Physiology; D011984:Sensory Receptor Cells / Q000187:drug effects*
D000700:Analgesics; D000777:Anesthetics