The presence of large effective colloidal osmotic pressures across large pores.
D002199:Capillary Permeability; D004058:Diffusion; D008196:Lymph / Q000502:physiology; D008567:Membranes, Artificial; D008722:Methods; D009995:Osmosis; D009997:Osmotic Pressure
D008567:Membranes, Artificial