| 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 |
|
| D004781 |
Environmental Exposure |
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals. |
Exposure, Environmental,Environmental Exposures,Exposures, Environmental |
|
| D000281 |
Administration, Intranasal |
Delivery of medications through the nasal mucosa. |
Drug Administration, Intranasal,Administration, Intranasal Drug,Administration, Nasal,Intranasal Administration,Intranasal Drug Administration,Administrations, Intranasal,Administrations, Intranasal Drug,Administrations, Nasal,Drug Administrations, Intranasal,Intranasal Administrations,Intranasal Drug Administrations,Nasal Administration,Nasal Administrations |
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| D000388 |
Air |
The mixture of gases present in the earth's atmosphere consisting of oxygen, nitrogen, carbon dioxide, and small amounts of other gases. |
|
|
| D000766 |
Anesthesia, Dental |
A range of methods used to reduce pain and anxiety during dental procedures. |
Dental Anesthesia |
|
| D013515 |
Surgery, Oral |
A dental specialty concerned with the diagnosis and surgical treatment of disease, injuries, and defects of the human oral and maxillofacial region. |
Exodontics,Surgery, Maxillofacial,Maxillofacial Surgery,Oral Surgery |
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