A tube or passageway in a building or machine for air, liquid, cables, etc.
the glands drain into a common duct
The duct which conveys bile from the liver and the gall bladder to the duodenum
Strong cloth-backed waterproof adhesive tape
A passage through which tears pass from the lachrymal glands to the eye or from the eye to the nose
The main vessel of the lymphatic system, passing upwards in front of the spine and draining into the left innominate vein near the base of the neck