Which term describes loss of feeling or sensation due to anesthetics?

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Loss of feeling or sensation caused by anesthetics is described as anesthesia. This term refers to the state or practice of blocking sensation so a person does not feel pain during medical procedures. Anesthesia can be local, numbing just a small area, regional, blocking sensation to a larger region, or general, making the person unconscious for the duration of the procedure. The word comes from Greek roots meaning without sensation. The other options don’t fit this idea: monasteries are religious communities, hygiene relates to cleanliness and infection control, and a trephine is a bone-cutting instrument used in certain procedures.