Review: 1.What is the orientation relationship between maximum shear stresses and principal stresses? 2. What are trajectories of principal stresses?

Distillation Summary Distillation is a widely used separation process. The separation is based on the volatility difference of the components to be separated

Definition of Accidental Trauma: Accident, Unexpected, Injuries Physically and/or Psychologically Causes: physical, chemical, and biological factors Main cause of mutilation and death in children globally

Planar fabric Linear fabric and the size and elements In one dimension is Are parallel to much Longer than that in one another the other two dimensions

Common type of necrosis after exogenous stimuli. Swelling, denaturation and coagulation of proteins Breakdown of cellular organelles Cell rupture

Autopsy Biopsy Cytology Experimental studies In vitro: Tissue culture Organ culture Cell culture In vivo: Experimental animals Nude mice

Arterial hyperemia Inflammatory Collateral Post-ischemic

Etiology Thrombosis Embolism Vesospasm Expansion of atheroma Extrinsic compression Twisting of the vessels

ANTITHROMBOTIC PROPERTIES Inhibition of platelet aggregation: PGL NO, ADPase Anticoagulant -binding and inhibition of thrombin: Antithrombin acceleration by heparin-like molecules, thrombomodulin activation of protein C/S, a2-macroglobulin. Fibrinlysis: Tissue plasminogen activator (tPA)

Motional pathway of embolus: Embolus from left heart cavity or arterial system Embolus from right heart cavity or venous system Embolus from portal veins Paradoxical embolism Retrograde ethrombus