
<microbiology> The minimum amount of penicillin which will prevent the growth of Staphylococcus aureus over an area 26 mm in diameter in a standard culture medium; 1 unit equals 0.6 ug of crystalline sodium salt of penicillin. ... Synonym: Florey unit. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

Type: Term Definitions: 1. the minimum amount of penicillin that will prevent the growth of Staphylococcus aureus over an area 26 mm in diameter in a standard culture medium; 1 unit equals 0.6 mcg of crystalline sodium salt of penicillin. Synonyms: Florey unit
Found on
http://www.medilexicon.com/medicaldictionary.php?t=95734
No exact match found.