HYPEREMIA CONGESTION A local increased volume of blood in a particular tissue Arterial hyperemia( hyperemia,充血) An augmented blood flow inducing arteriolar and capillary dilation Venous hyperemia( congestion,淤血) Accumulation of blood in Small Veins and capillaries result from drainage difficulty of veinsHYPEREMIA & CONGESTION A local increased volume of blood in a particular tissue Arterial hyperemia (hyperemia，充血) An augmented blood flow inducing arteriolar and capillary dilation Venous hyperemia (congestion，淤血) Accumulation of Blood in Small Veins and capillaries result from drainage difficulty of veins