| D008452 |
Maximum Allowable Concentration |
The maximum exposure to a biologically active physical or chemical agent that is allowed during an 8-hour period (a workday) in a population of workers, or during a 24-hour period in the general population, which does not appear to cause appreciable harm, whether immediate or delayed for any period, in the target population. (From Lewis Dictionary of Toxicology, 1st ed) |
Maximum Permissible Exposure Level,MPEL,Maximum Permissible Exposure Concentration,Allowable Concentration, Maximum,Allowable Concentrations, Maximum,Concentration, Maximum Allowable,Concentrations, Maximum Allowable,MPELs,Maximum Allowable Concentrations |
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| D009609 |
Nitrous Oxide |
Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream. |
Laughing Gas,Nitrogen Protoxide,Gas, Laughing,Oxide, Nitrous |
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| D009873 |
Operating Rooms |
Facilities equipped for performing surgery. |
Operating Room,Room, Operating,Rooms, Operating |
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| D004784 |
Environmental Monitoring |
The monitoring of the level of toxins, chemical pollutants, microbial contaminants, or other harmful substances in the environment (soil, air, and water), workplace, or in the bodies of people and animals present in that environment. |
Monitoring, Environmental,Environmental Surveillance,Surveillance, Environmental |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000395 |
Air Pollutants, Occupational |
Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation. |
Occupational Air Pollutants,Pollutants, Occupational Air |
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| D000758 |
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. |
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| D000768 |
Anesthesia, General |
Procedure in which patients are induced into an unconscious state through use of various medications so that they do not feel pain during surgery. |
Anesthesias, General,General Anesthesia,General Anesthesias |
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| D000772 |
Anesthesia, Local |
A blocking of nerve conduction to a specific area by an injection of an anesthetic agent. |
Anesthesia, Infiltration,Local Anesthesia,Neural Therapy of Huneke,Huneke Neural Therapy,Infiltration Anesthesia |
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