Keywords: Lipid bilayer fusion.svg en Schematic illustration of two lipid vesicles fusing Both the fully fused and the hemifused states are shown In the hemifused state only the outer leaflet of the lipid bilayers fuse In full fusion both leaflets fuse and internal aqueous contents mix Own MDougM 2009-02-11 SVG cell biology Ultrastructure diagrams Cell membrane Lipids Lipid bilayers |