中期英語surgerie外科治療・手術medical treatment by operationこの語源をもつ英単語cryosurgery凍結手術electrosurgery電気メスmicrosurgery顕微手術neurosurgery神経外科手術nonsurgical非外科的なpsychosurgery精神外科手術surgery手術・診察室surgical外科的なsurgically外科手術的に