| D007854 |
Lead |
A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb. |
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| D008669 |
Metallurgy |
The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or compounding the alloys, the techniques of working or heat-treating metals, and the mining of metals. It includes industrial metallurgy as well as metallurgical techniques employed in the preparation and working of metals used in dentistry, with special reference to orthodontic and prosthodontic appliances. (From Jablonski, Dictionary of Dentistry, 1992, p494) |
Heavy Industries,Industries, Heavy,Heavy Industry,Industry, Heavy |
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| D011792 |
Quebec |
A province of eastern Canada. Its capital is Quebec. The region belonged to France from 1627 to 1763 when it was lost to the British. The name is from the Algonquian quilibek meaning the place where waters narrow, referring to the gradually narrowing channel of the St. Lawrence or to the narrows of the river at Cape Diamond. (From Webster's New Geographical Dictionary, 1988, p993 & Room, Brewer's Dictionary of Names, 1992, p440) |
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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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| D002675 |
Child, Preschool |
A child between the ages of 2 and 5. |
Children, Preschool,Preschool Child,Preschool Children |
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| D003300 |
Copper |
A heavy metal trace element with the atomic symbol Cu, atomic number 29, and atomic weight 63.55. |
Copper-63,Copper 63 |
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| D004785 |
Environmental Pollutants |
Substances or energies, for example heat or light, which when introduced into the air, water, or land threaten life or health of individuals or ECOSYSTEMS. |
Environmental Pollutant,Pollutant,Pollutants,Pollutants, Environmental,Pollutant, Environmental |
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| D006197 |
Hair |
A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body. |
Fetal Hair,Hair, Fetal,Lanugo,Fetal Hairs,Hairs,Hairs, Fetal |
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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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