Origin of bacitracin
New Latin Bacillus subtilis (species of bacillus producing the toxin) + Margaret Tracy b ab 1936 American child in whose tissues it was found
First Known Use: 1945
Medical Definition of bacitracin
: a polypeptide antibiotic isolated from a bacillus (Bacillus subtilis or B. licheniformis) and usually used topically especially against gram-positive bacteria
Biographical Note for bacitracin
Tra·cy \ˈtrā-sē\play Margaret American hospital patient. The antibiotic bacitracin was first identified in 1945 in wound drainage from Margaret Tracy.
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