Canadian Medical Guide > Biological Sciences > Environment and Public Health > Environment > Ecosystem > Ecological Systems, Closed Terms and Definitions

Ecological Systems, Closed

Medical Definition:	Systems that provide for the maintenance of life in an isolated living chamber through reutilization of the material available, in particular, by means of a cycle wherein exhaled carbon dioxide, urine, and other waste matter are converted chemically or by photosynthesis into oxygen, water, and food. (NASA Thesaurus, 1988)
Guide Notes:	IM; coord with SPACE FLIGHT (IM) or SUBMARINE MEDICINE (IM), if pertinent
Also Called:	Sealed Cabin Ecology,Breadboard Project,Closed Ecologic Life Support Systems,Life Support Systems, Regenerative
Previously Indexed:	Environment, Controlled (1973-1994)

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