alexin

alexin 1. A defensive substance in normal serum that destroys bacteria and other cells. 2. A name for a class of substances found in blood-serum, having the capacity of destroying bacteria, etc., and thus guarding against infection.
Found on http://www.wordinfo.info/words/index/info/view_unit/75/

alexin

An obsolete term for the bactericidal substances of cell-free serum, the activity of which is destroyed by heating at 56┬░C; applied by Bordet to the heat-labile substance normally present in serum and distinct from the sensitizing substance (antibody) produced by infection or immunization. In this sense it is synonymous with complement. ... Origin...
Found on http://www.encyclo.co.uk/local/20973

alexin

Type: Term Pronunciation: ă-lek′sin Definitions: 1. Obsolete term for serum bactericidal compenents now described within complement system.
Found on http://www.medilexicon.com/medicaldictionary.php?t=2150
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