| preservation | The act or process of preserving, or keeping safe; the state of being preserved, or kept from injury, destruction, or decay; security; safety; as, preservation of life, fruit, game, etc.; a picture in good preservation. Origin: F. Preservation. (05 Mar 1998) |
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| semen preservation | <gynaecology> Methods of preserving semen. (12 Dec 1998) |
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| organ preservation solutions | Solutions used to store organs, particulary those awaiting implantation. (12 Dec 1998) |
| tissue preservation | The process by which a tissue or aggregate of cells is kept alive outside of the organism from which it was derived (i.e., to keep from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism). (12 Dec 1998) |