41. Ketamine-anesthetized patients have profound analgesia  but keep their eyes open and maintain many reflexes. 42. This means that an epidural can provide analgesia  while affecting muscle strength to a lesser extent. 43. Central abdominal pain which is resistant to narcotic analgesia  may be an indication of bowel infarction. 44. Ethoheptazine produces similar effects to other opioids, including analgesia , sedation, dizziness and nausea. 45. Nuciferine may also potentiate morphine analgesia . 46. It has similar effects to morphine, such as sedation, analgesia , and respiratory depression. 47. In 2010, Nedergaard discovered the role of the adenosine molecule in acupuncture-induced analgesia . 48. In 1921, the first vaginal delivery under spinal analgesia  was reported by Kreiss in Germany. 49. Anesthesia & Analgesia  : June 2016-Volume 122-Issue 6-p 1794 1804. 50. Usually the mohel uses a local analgesia  cream or a wine-soaked cloth for the ceremony.