Total or partial loss of sensation,especially tactile sensibility,induced by disease,injury,acupuncture,or an anesthetic,such as chloroform or nitrous oxide.

• 感觉缺失感觉，尤其是知觉的全部或部分缺失，由疾病、受伤、针灸，或是麻醉药，如氯仿或含氮氧化物引起。