| 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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| D008743 |
Methyl Parathion |
The methyl homolog of parathion. An effective, but highly toxic, organothiophosphate insecticide and cholinesterase inhibitor. |
Metaphos,Parathion Methyl,Dalf,Metacid 50,Methylparathion,Vofatox,Wofatox |
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| D009946 |
Organothiophosphorus Compounds |
Compounds containing carbon-phosphorus bonds in which the phosphorus component is also bonded to one or more sulfur atoms. Many of these compounds function as CHOLINERGIC AGENTS and as INSECTICIDES. |
Compounds, Organothiophosphorus |
|
| D010278 |
Parathion |
A highly toxic cholinesterase inhibitor that is used as an acaricide and as an insecticide. |
E-605,Ethyl Parathion,Phosphostigmine,Thiofos,Thiophos,Parathion, Ethyl |
|
| D003678 |
Defoliants, Chemical |
Herbicides that remove leaves from trees and growing plants. They may be either organic or inorganic. Several of the more persistent types have been used in military operations and many are toxic. (From Hawley's Condensed Chemical Dictionary, 11th ed) |
Chemical Defoliants |
|
| D004357 |
Drug Synergism |
The action of a drug in promoting or enhancing the effectiveness of another drug. |
Drug Potentiation,Drug Augmentation,Augmentation, Drug,Augmentations, Drug,Drug Augmentations,Drug Potentiations,Drug Synergisms,Potentiation, Drug,Potentiations, Drug,Synergism, Drug,Synergisms, Drug |
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| D005399 |
Fishes |
A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales. |
|
|
| D006540 |
Herbicides |
Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses (POACEAE), and woody plants. Some plants develop HERBICIDE RESISTANCE. |
Algaecide,Algicide,Herbicide,Algaecides,Algicides |
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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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