A channel or tube for conveying something.
"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
Juxtaductal refers to a location or position that is adjacent to or near a duct, often used in medical contexts to describe tissues or structures located next to a duct, such as a bile duct or a lymphatic duct. This term is commonly applied in anatomy and pathology to specify the relationship between different anatomical features. For example, juxtaductal lesions may occur in tissues surrounding a duct, influencing the duct's function or indicating disease processes.
it's really the entrance to inside the egg or ovum
common bile duct
Actually, "duct" is a root word meaning to lead or direct.
common bile ductThe common bile duct.
Stenson's duct