factor XII

noun
\ -ˌtwelv How to pronounce factor XII (audio) \

Medical Definition of factor XII

: a clotting factor that facilitates blood coagulation in vivo and initiates coagulation on a firm surface (as glass) in vitro but whose deficiency tends not to promote hemorrhage

called also Hageman factor

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factor XI

factor XII

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Cite this Entry

“Factor XII.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/factor%20XII. Accessed 28 Jun. 2022.

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