| D007928 |
Lethal Dose 50 |
The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population. |
LD50,Dose 50, Lethal |
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| D008670 |
Metals |
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed) |
Metal |
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| D010063 |
Ovum |
A mature haploid female germ cell extruded from the OVARY at OVULATION. |
Egg,Egg, Unfertilized,Ova,Eggs, Unfertilized,Unfertilized Egg,Unfertilized Eggs |
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| D002104 |
Cadmium |
An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING. |
|
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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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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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| D012487 |
Salmonidae |
A family of anadromous fish comprising SALMON; TROUT; whitefish; and graylings. They are the most important food and game fishes. Their habitat is the northern Atlantic and Pacific, both marine and inland, and the Great Lakes. (Nelson: Fishes of the World, 1976, p97) |
Graylings,Thymallus,Whitefish,Salmonids,Grayling,Salmonid |
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| D013997 |
Time Factors |
Elements of limited time intervals, contributing to particular results or situations. |
Time Series,Factor, Time,Time Factor |
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| D014337 |
Trout |
Various fish of the family SALMONIDAE, usually smaller than salmon. They are mostly restricted to cool clear freshwater. Some are anadromous. They are highly regarded for their handsome colors, rich well-flavored flesh, and gameness as an angling fish. The genera Salvelinus, Salmo, and ONCORHYNCHUS have been introduced virtually throughout the world. |
Chars,Salvelinus,Char |
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| D014873 |
Water Pollutants |
Substances or organisms which pollute the water or bodies of water. Use for water pollutants in general or those for which there is no specific heading. |
Water Pollutant,Pollutant, Water,Pollutants, Water |
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