Doch- is the medical terminology combining form meaning duct.
choledocho, as in choledocholithiasis (stone in the CBD)The combining for for bile duct is Choladoch/o
Cholangio- refers to the bile duct, as in cholangitis (inflammation of the bile duct).
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.
The medical term for pertaining to the common bile duct is "choledochal."
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
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.