ductule
/ˈdʌktʃuːl/Definitions
1. noun
A small tube or channel, especially one conveying a fluid or gas, especially in the body.
“The ductule that connects the gallbladder to the bile duct was found to be blocked.”
2. noun
A small pipe or tube, especially one used for conducting a fluid or gas in a mechanical or industrial system.
“The engineers worked on installing new ductules in the air conditioning system to improve airflow.”