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Related to extrinsic pathway: Prothrombin time, APTT
extrinsic pathwayHematology The arm of coagulation activation which, like the intrinsic pathway, converges on the common pathway, ie factor X activation; the EP is activated by exposure of blood to tissue factor, circulating factor VII, Ca2+ and phospholipid. Cf Common pathway, Intrinsic pathway.
One of three pathways in the coagulation cascade.
Mentioned in: Partial Thromboplastin Time
of external origin.
extrinsic allergic alveolitis
see hypersensitivity pneumonitis.
see extrinsic factor.
extrinsic incubation period
the period between infection of the arthropod insect vector and the vector's ability to infect the next vertebrate host.
see coagulation pathways.
see membrane proteins.