stone of gallbladder. the result of gallstones. a calculus of dissimilar composition on a wooden background

background bile bilirubin bladder calcium calculus carbonic care cholecystectomy cholecystitis cholesterol clinical colic cumulative deposit diet digestion digestive discomfort disease duct ducts epithelium gall gallstone gallstones green health healthy infection inflammation intestine laparoscope large liver mix mucus obstruction operation phosphate removal result science size solid sphere stone stones surgery system worms