Canadian Medical Guide > Biological Sciences > Environment and Public Health > Environment > Environment, Controlled Terms and Definitions




Environment, Controlled

Medical Definition: 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. (From Jane's Aerospace Dictionary, 3d ed)
Guide Notes: no qualif; DF: ENVIR CONTROLLED
Also Called: Laminar Air-Flow Areas,Clean Rooms
Previously Indexed: Environment (1966-1972)
Environment, Controlled Categories.
Canadian Medical Guide Definition Air Conditioning - The maintenance of certain aspects of the environment within a defined space to facilitate the function of that space; aspects controlled include air temperature and motion, radiant heat level, moisture, and concentration of pollutants such as dust, microorganisms, and gases. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Canadian Medical Guide Definition Diving - An activity in which the organism plunges into water. It includes scuba and bell diving. Diving as natural behavior of animals goes here, as well as diving in decompression experiments with humans or animals.
Canadian Medical Guide Definition Heating - The application of heat to raise the temperature of the environment, ambient or local, or the systems for accomplishing this effect. It is distinguished from HEAT, the physical property and principle of physics.
Canadian Medical Guide Definition Housing - Living facilities for humans.
Canadian Medical Guide Definition Humidity
Canadian Medical Guide Definition Life Support Systems - Systems that provide all or most of the items necessary for maintaining life and health. Provisions are made for the supplying of oxygen, food, water, temperature and pressure control, disposition of carbon dioxide and body waste. The milieu may be a spacecraft, a submarine, or the surface of the moon. In medical care, usually under hospital conditions, LIFE SUPPORT CARE is available. (From Webster's New Collegiate Dictionary)
Canadian Medical Guide Definition Lighting - The illumination of an environment and the arrangement of lights to achieve an effect or optimal visibility. Its application is in domestic or in public settings and in medical and non-medical environments.
Canadian Medical Guide Definition Space Simulation - An environment simulating one or more parameters of the space environment, applied in testing space systems or components. Often, a closed chamber is used, capable of approximating the vacuum and normal environments of space. (From NASA Thesaurus, 1988) This also includes simulated EXTRAVEHICULAR ACTIVITY studies in atmosphere exposure chambers or water tanks.
Canadian Medical Guide Definition Temperature
Canadian Medical Guide Definition Ventilation - Supplying a building or house, their rooms and corridors, with fresh air. The controlling of the environment thus may be in public or domestic sites and in medical or non-medical locales. (From Dorland, 28th ed)

Environment, Controlled Medical Definitions and Terms

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