"no bile duct dilation" means the diameter if the bile duct is normal.
In the word "product" the letters "~duct" are not a suffix and have no independent meaning.
lead
I think you mean Bile duct obstruction, you can call it Biliary obstruction
a smoke-duct in a chimney
cystic duct and the hepatic duct
common bile duct
it's really the entrance to inside the egg or ovum
common bile ductThe common bile duct.
The parotid duct is also known as Stensen's duct.
The prefix "duct" generally refers to something related to leading or guiding. It is typically used in words that involve channels or tubes through which fluids or air can flow.
In pigs, the duct from the gallbladder is called the cystic duct, which merges with the common hepatic duct to form the common bile duct. This common bile duct then carries bile from the liver and gallbladder to the duodenum for digestion.