antistreptolysin

noun
an·​ti·​strep·​to·​ly·​sin | \ -ˌstrep-tə-ˈlīs-ᵊn How to pronounce antistreptolysin (audio) \

Medical Definition of antistreptolysin

: an antibody against a streptolysin produced by an individual injected with a streptolysin-forming streptococcus

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one from the Upper Peninsula of Michigan

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