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

anatomy background bile bilirubin biology black bladder calcium calculus carbonic care cholecystitis cholesterol colic cumulative cup deposit digestion digestive disease doctor duct ducts epithelium gall gallbladder gallstone health healthy human infection inflammation intestine large liver mix mucus obstruction open organ phosphate removal result salt size solid stone surgeon surgery system thick worms