Ekikenululo

Muwanga agamba nti, ekikenululo(osmosis) kibaawo mu mbubi(membranes) eziyitibwa "embubi eziyisa ekibogwe" (semipermeable membranes), ezirina obuyingizo(pores) obusobola okuyingiza obuzitoya obutonowavu(small molecule), obutali bunene.