| D008903 |
Minerals |
Native, inorganic or fossilized organic substances having a definite chemical composition and formed by inorganic reactions. They may occur as individual crystals or may be disseminated in some other mineral or rock. (Grant & Hackh's Chemical Dictionary, 5th ed; McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Mineral |
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| D012140 |
Respiratory Tract Diseases |
Diseases involving the RESPIRATORY SYSTEM. |
Respiratory Diseases,Respiratory System Diseases,Disease, Respiratory System,Disease, Respiratory Tract,Respiratory System Disease,Respiratory Tract Disease |
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| D002516 |
Ceramics |
Products made by baking or firing nonmetallic minerals (clay and similar materials). In making dental restorations or parts of restorations the material is fused porcelain. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Boucher's Clinical Dental Terminology, 4th ed) |
Ceramic |
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| D005898 |
Glass |
Hard, amorphous, brittle, inorganic, usually transparent, polymerous silicate of basic oxides, usually potassium or sodium. It is used in the form of hard sheets, vessels, tubing, fibers, ceramics, beads, etc. |
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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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| D014481 |
United States |
A country in NORTH AMERICA between CANADA and MEXICO. |
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| D016273 |
Occupational Exposure |
The exposure to potentially harmful chemical, physical, or biological agents that occurs as a result of one's occupation. |
Exposure, Occupational,Exposures, Occupational,Occupational Exposures |
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