(anesthesia) A loss of feeling or awareness caused by drugs or other substances. Anesthesia keeps patients from feeling pain during surgery or other procedures. Local anesthesia is a loss of feeling in one small area of the body. Regional anesthesia is a loss of feeling in a part of the body, such as an arm or leg. General anesthesia is a loss of feeling and a complete loss of awareness that feels like a very deep sleep.

(anesthesia) A state characterized by loss of feeling or sensation. This depression of nerve function is usually the result of pharmacologic action and is induced to allow performance of surgery or other painful procedures.

(anesthesia) If you are having surgery, your doctor will give you medicine called an anesthetic. Anesthetics reduce or prevent pain. There are three main types: Local - numbs one small area of the body. You stay awake and alert.; Regional - blocks pain in an area of the body, such an arm or leg. A common type is epidural anesthesia, which is often used during childbirth.; General - makes you unconscious. You do not feel any pain, and you do not remember the procedure afterwards. You may also get a mild sedative to relax you. You stay awake but may not remember the procedure afterwards. Sedation can be used with or without anesthesia. The type of anesthesia or sedation you get depends on many factors. They include the procedure you are having and your current health.

(anesthesia) State characterized by loss of feeling or sensation; depression of nerve function is usually the result of pharmacologic action and is induced to allow performance of surgery or other painful procedures.

(anesthesia) Temporarily blocking sensation, especially the feeling of pain.

Treatment with a pharmacological substance that produces a loss of feeling.

Anesthesia, loss of physical sensation, with or without loss of consciousness, as artificially induced by the administration of drugs, inhalant gases, or other agents. The use of anesthetic gases in surgery was first proposed by British chemist Sir Humphrey Davy in 1798, following his observation...