One important result of lake and reservoir enrichment is increased growth of microscopic floating plants, algae, and the formation of dense mats of larger floating plants such as water hyacinths (Photos 1 and 2) and Nile cabbage.
What is percutaneous biliary drainage? Percutaneous transhepatic biliary drainage is a procedure where a small, flexible, plastic tube is placed through the skin into the liver in order to drain an obstructed bile duct system. The liver produces bile which aids digestion of fats.
1 Blockage of the common bile duct. 2  Gallstones can block the tubes (ducts) through which bile flows from your gallbladder or liver to your small intestine. 3  Jaundice and bile duct infection can result. 4  Blockage of the pancreatic duct.5  The pancreatic duct is a tube that runs from the pancreas to the common bile duct. Blockage of the common bile duct. 2  Gallstones can block the tubes (ducts) through which bile flows from your gallbladder or liver to your small intestine. 3  Jaundice and bile duct infection can result. 4  Blockage of the pancreatic duct.