noun, Botany. 1. a plant having its seeds enclosed in an ovary; a flowering plant.
A biliary obstruction blocks the bile ducts, which carry bile to the small intestine for digestion and waste removal. Learn about symptoms, causes and more. A biliary obstruction blocks the bile ducts, which carry bile to the small intestine for digestion and waste removal.
Interventional radiologists commonly perform three types of biliary drainage procedures. External biliary drainage is performed by positioning a drainage catheter in the bile duct above the obstruction. The physician punctures the skin and passes a needle into one of the bile ducts. The needle is exchanged over a guidewire for a catheter, and the catheter is positioned and sutured in place.