| D011083 |
Polycyclic Compounds |
Compounds which contain two or more rings in their structure. |
Compounds, Polycyclic |
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| D002648 |
Child |
A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. |
Children |
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| 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 |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D006838 |
Hydrocarbons |
Organic compounds that primarily contain carbon and hydrogen atoms with the carbon atoms forming a linear or circular structure. |
Hydrocarbon,Saturated Hydrocarbons,Unsaturated Hydrocarbons,Hydrocarbons, Saturated,Hydrocarbons, Unsaturated |
|
| D000393 |
Air Pollutants |
Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or materials. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS. |
Air Pollutant,Air Pollutants, Environmental,Environmental Air Pollutants,Environmental Pollutants, Air,Air Environmental Pollutants,Pollutant, Air,Pollutants, Air,Pollutants, Air Environmental,Pollutants, Environmental Air |
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| D014481 |
United States |
A country in NORTH AMERICA between CANADA and MEXICO. |
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