Month: December 2020
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Polygenetic model
The concept that explains the development of a disorder to a specific group of interacting genes.
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Polygene
One of a series of multiple genes involved in quantitative inheritance. One of a number of genes that together control a single characteristic in an individual. Each polygene has only a slight effect and the expression of a set of polygenes is the result of their combined interaction. Characteristics controlled by polygenes are usually of…
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Polygamy
A condition of having more than one husband or wife at one time. The practice of having several wives, husbands, or mates at the same time.
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Polydrug use
The concurrent use of two or more drugs, polyabuse. In drug abusers, the practice of concurrent use of several dissimilar drugs, such as alcohol, cocaine, opiates, and other drugs. The toxic potential of multiple drug use is increased as compared with use of a single drug.
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Polydactyly
A genetic defect characterized by an excessive number of fingers or toes. Having more than the usual number of fingers or toes. Congenital abnormality characterized by the presence of more than the normal number of fingers or toes; it is usually corrected by surgery; also called hyperdactyly. A birth defect characterized by the presence of…
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Poly dacron rope
A specially designed rope made from nonconductive plastic used to manipulate live electrical wires.
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Polycyclic aromatic hydrocarbons
Chemicals found in tobacco tar that are carcinogenic.
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Polychlorinated biphenyls
Cooling fluids used in electrical capacitors and heat exchange units and are not biodegradable may be associated with a variety of occupational illnesses. A plasticizer and insulator material used in the electronics industry found to be a very long-lived toxic environmental contaminant. Any of a group of complex chemicals classed as chlorinated aromatic hydrocarbons. They…
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Polyandry
A condition in which one woman has more than one husband at one time, polygamy; monogamy. The practice of having more than one husband at the same time.
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Polyabuse
Abusing more than one drug concurrently.