title: [Analgesia produced by subarachnoid and epidural administration of opioids: site and mechanisms of action].
mesh_terms: D000775:Anesthesia, Spinal; D001933:Brain Stem / Q000187:drug effects; D004723:Endorphins / Q000378:metabolism / Q000494:pharmacology*; D005727:Ganglia, Spinal / Q000187:drug effects / Q000378:metabolism; D006801:Humans; D009619:Nociceptors / Q000187:drug effects; D010146:Pain / Q000503:physiopathology; D011957:Receptors, Opioid / Q000187:drug effects / Q000378:metabolism; D013116:Spinal Cord / Q000187:drug effects; D013788:Thalamus / Q000187:drug effects
chemical_list: D004723:Endorphins; D011957:Receptors, Opioid
vernacular_title: Analgesia producida por administración subaracnoidea y epidural de opioides: lugar y mecanismos de acción.