| environment and public health | Natural and man-made environments and their impact on public health. (12 Dec 1998) |
|---|---|
| health facility environment | Physical surroundings or conditions of a hospital or other health facility and influence of these factors on patients and staff. (12 Dec 1998) |
| social environment | The aggregate of social and cultural institutions, forms, patterns, and processes that influence the life of an individual or community. (12 Dec 1998) |
| isotropic environment | Environments in which the properties are the same at all points and there are no vectorial or axial cues. (18 Nov 1997) |
| environment | <biology, zoology> The sum total of all the conditions and elements which make up the surroundings and influence the development and actions of an individual. (18 Nov 1997) |
| environment, controlled | A state in which the environs of hospitals, laboratories, domestic and animal housing, work places, spacecraft, and other surroundings are under technological control with regard to air conditioning, heating, lighting, humidity, ventilation, and other ambient features. The concept includes control of atmospheric composition. (12 Dec 1998) |
| environment design | The structuring of the environment to permit or promote specific patterns of behaviour. (12 Dec 1998) |
| extraterrestrial environment | <astronomy> The environment outside the earth or its atmosphere. The environment may refer to a closed cabin (such as a space shuttle or space station) or to space itself, the moon, or other planets. (12 Dec 1998) |
| genetics, population | The study of the genetic composition of populations and of the effects of factors such as selection, population size, mutation, migration, and genetic drift on the frequencies of various genotypes and phenotypes. (12 Dec 1998) |
| growth rate of population | <epidemiology> A measure of population change in the absence of migration, comprising addition of newborns and subtraction of deaths; the result is known as the natural rate of increase of the population; it is the difference between the crude birth rate and the crude death rate. (05 Mar 2000) |
| rural population | The inhabitants of rural areas or of small towns classified as rural. (12 Dec 1998) |
| p in population genetics | The frequency of the more common of two different alternative (allelic) versions of a gene. (the frequency of less common allele is q). (12 Dec 1998) |
| population | 1. <genetics> A stable group of randomly interbreeding individuals. 2. <statistics> The set of objects or individuals from which a random sample is drawn. Origin: L. Populatio, from populus = people (18 Nov 1997) |
| population characteristics | <epidemiology> Qualities and characterization of various types of populations within a social or geographic group, with emphasis on demography, health status, and socioeconomic factors. (12 Dec 1998) |
| population control | Includes mechanisms or programs which control the numbers of individuals in a population of humans or animals. (12 Dec 1998) |