antifibrinolysin

noun
an·​ti·​fi·​bri·​no·​ly·​sin | \ -ˌfī-brən-ᵊl-ˈīs-ᵊn How to pronounce antifibrinolysin (audio) \

Medical Definition of antifibrinolysin

: an antibody that acts specifically against fibrinolysins of hemolytic streptococci and that is used chiefly in some diagnostic tests

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