<prompt> Which of the following is not included in Virchows triad of thrombus formation?Endothelial injuryStasis or turbulent blood flowHypercoagulability of the bloodIncreased vascular permeability  <response>: The three primary abnormalities that lead to thrombus formation called Virchows triad are 1 endothelial injury, 2 stasis or turbulent blood flow, and 3 hypercoagulability of the blood. Ref: Robbins 8th edition Chapter 4. 