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.
Lampropeltis getula. The word Opal comes from the Latin word opalus, which means precious stone. Opal is a form of noncrystalline quartz which is created from circulating, silica-bearing waters. When the silica solidifies it creates the gemstone Opal which contains approximately 6 to 10 percent water.imulants are man-made stones which are similar to Opal but made from a different material. Fire Opal is minded in Mexico and Honduras, and several varieties of Precious Opal are found in India, New Zealand and the deserts of the western US.