the instability of pc-cholesterol-cholate mixed systems with intermediary range of cholate to lipids ratio may be significant to gallbladder stone formation as : ( a ) biliary bile contains pc-cholesterol vesicles which may be , at least partially , solubilized by bile salts during the process of bile concentration in the gallbladder , resulting in mixtures similar to our model systems ;
C0008350
gallbladder stone
C0016976
gallbladder