Deposition of IC in tissues Q An increase in vascular permeability In general, complement, mast cells basophils and platelets must all be considered as potential producers of vasoactive amines a Local high blood pressure and turbulence The blood pressure in the glomerular capillaries is approximately four times that of most other capillaries.Deposition of IC in tissues  An increase in vascular permeability In general, complement, mast cells, basophils and platelets must all be considered as potential producers of vasoactive amines.  Local high blood pressure and turbulence The blood pressure in the glomerular capillaries is approximately four times that of most other capillaries