| D007313 |
Insecta |
Members of the phylum ARTHROPODA composed or organisms characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth with several hundred thousand different kinds. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1). |
Insects,Insect |
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| 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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| D009656 |
North America |
The northern continent of the Western Hemisphere, extending northward from the Colombia-Panama border and including CENTRAL AMERICA, MEXICO, Caribbean area, the UNITED STATES, CANADA and GREENLAND. The term often refers more narrowly to MEXICO, continental UNITED STATES, AND CANADA. |
Northern America |
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| D012098 |
Reproduction |
The total process by which organisms produce offspring. (Stedman, 25th ed) |
Human Reproductive Index,Human Reproductive Indexes,Reproductive Period,Human Reproductive Indices,Index, Human Reproductive,Indexes, Human Reproductive,Indices, Human Reproductive,Period, Reproductive,Periods, Reproductive,Reproductive Index, Human,Reproductive Indices, Human,Reproductive Periods |
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| D002621 |
Chemistry |
A basic science concerned with the composition, structure, and properties of matter; and the reactions that occur between substances and the associated energy exchange. |
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| D002713 |
Chlorine |
An element with atomic symbol Cl, atomic number 17, and atomic weight 35, and member of the halogen family. |
Chlorine Gas,Chlorine-35,Cl2 Gas,Chlorine 35,Gas, Chlorine,Gas, Cl2 |
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| D003445 |
Crustacea |
A large subphylum of mostly marine ARTHROPODS containing over 42,000 species. They include familiar arthropods such as lobsters (NEPHROPIDAE), crabs (BRACHYURA), shrimp (PENAEIDAE), and barnacles (THORACICA). |
Ostracoda,Ostracods,Crustaceas,Ostracod,Ostracodas |
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| D003633 |
Dichlorodiphenyl Dichloroethylene |
An organochlorine pesticide, it is the ethylene metabolite of DDT. |
DDE,DDX,1,1-Dichloro-2,2-bis(p-chlorophenyl)ethylene,DDMU,p,p'-DDE,p,p-Dichlorodiphenyldichloroethylene,Dichloroethylene, Dichlorodiphenyl |
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| D003634 |
DDT |
A polychlorinated pesticide that is resistant to destruction by light and oxidation. Its unusual stability has resulted in difficulties in residue removal from water, soil, and foodstuffs. This substance may reasonably be anticipated to be a carcinogen: Fourth Annual Report on Carcinogens (NTP-85-002, 1985). (From Merck Index, 11th ed) |
1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane,4,4'-DDT,4,4'-Dichlorodiphenyltrichloroethane,Benzochloryl,Chlorophenothane,TbisC-ethane,p',p'-DDT,4,4' DDT,4,4' Dichlorodiphenyltrichloroethane,TbisC ethane |
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| D004032 |
Diet |
Regular course of eating and drinking adopted by a person or animal. |
Diets |
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