| 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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| D010100 |
Oxygen |
An element with atomic symbol O, atomic number 8, and atomic weight [15.99903; 15.99977]. It is the most abundant element on earth and essential for respiration. |
Dioxygen,Oxygen-16,Oxygen 16 |
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| D011650 |
Pulmonary Alveoli |
Small polyhedral outpouchings along the walls of the alveolar sacs, alveolar ducts and terminal bronchioles through the walls of which gas exchange between alveolar air and pulmonary capillary blood takes place. |
Alveoli, Pulmonary,Alveolus, Pulmonary,Pulmonary Alveolus |
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| D002245 |
Carbon Dioxide |
A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals. |
Carbonic Anhydride,Anhydride, Carbonic,Dioxide, Carbon |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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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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