Back to TopCauses. There are many causes of cholestasis. Extrahepatic cholestasis occurs outside the liver. It can be caused by: Bile duct tumors. Cysts. Narrowing of the bile duct (strictures) Stones in the common bile duct. Pancreatitis.
What is the meaning of the October birthstone? The word, âopalâ comes from the Greek term âopallos,â which stands for âto see a changeâ in color. It radiates a mysterious interplay of colors, which come out as delicate tints of different shades when observed from different angles.
October Birthstone-the Color of the OpalThe name opal actually means to see a change in color.. The opal occurs in several types of color. The White opal has a white body color with pastel glints of rainbow color. Black opal has a blue, gray or black body color. The black Boulder opal contains ironstone.