Medical Dictionary

plasma thromboplastin antecedent

noun plasma thromboplastin an·te·ced·ent \-ˌant-ə-ˈsēd-ənt\

Definition of PLASMA THROMBOPLASTIN ANTECEDENT

:  a clotting factor whose absence is associated with a form of hemophilia—abbreviation PTA; called also factor XI
April 01, 2015
diapause Hear it
a period of physiological dormancy
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