circulin
noun
cir·cu·lin
ˈsər-kyə-lən 
: an antibiotic consisting of a mixture of polypeptides related to polymyxin that is obtained from a soil bacterium of the genus Bacillus (B. circulans) and is active especially against gram-negative bacteria (as colon bacilli)
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“Circulin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/circulin. Accessed 21 Nov. 2024.
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