You know what it looks like… but what is it called?
TAKE THE QUIZ“XIII”
We have one entry that includes the term XIII.
factor XIII
noun: a clotting factor that is catalyzed by thrombin during the final stage of clot formation to an active form which cross-links strands of fibrin resulting in a stable, insoluble clot see transglutaminase
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Merriam-Webster unabridged





