Doch- is the medical terminology combining form meaning duct.
The medical terminology combining form for the common bile duct is "choledoch/o."
The medical terminology combining form cholangio- relates to the bile ducts. It is commonly used in medical terms related to the liver and bile duct system.
Nasolacrimal is the medical term meaning pertaining to the nose and tear ducts.
The stones are called Cholesterol stones (made from cholesterol-green/yellow color) or pigmented stones (which are made from bilirubin- blackish tarry color)
Catheterization is the medical term meaning insertion of a tube into a duct or cavity.
Lacrimotomy is surgical incision into the lacrimal duct, commonly known as the tear duct of the eye.lacrimotomy
It essentially is a duct that has been dilated by iodine.
The term -ectomy is used for surgical removal so it will be called ductectomy.
I think you mean Bile duct obstruction, you can call it Biliary obstruction
choledochalcholedochal
Vasectomy is the medical term meaning male sterilization by removal of part of the vasa.
Choledochotomy is the medical term meaning surgical incision into the common bile duct.