Passageway for tears, bile, etc

noun

1. A bodily tube or vessel especially when carrying the secretion of a gland
2. A pipe, tube, or channel that conveys a substance
3. A pipe or tubular runway for carrying an electric power line, telephone cables, or other conductors
4. A tube or elongated cavity (such as a xylem vessel) in plant tissue
5. A layer (as in the atmosphere or the ocean) which occurs under usually abnormal conditions and in which radio or sound waves are confined to a restricted path

verb

1. To enclose in a duct
2. To convey (something, such as a gas) through a duct

noun

1. A wide cloth adhesive tape originally designed for sealing joints in heating or air-conditioning ducts

noun

1. A duct by which bile passes from the liver or gallbladder to the duodenum

noun

1. A duct that receives and concentrates urine from the distal convoluted tubule of nephrons and discharges it into the renal pelvis

noun

1. A duct through which semen is ejaculated

noun

1. A duct leading from the pancreas and opening into the duodenum

noun

1. A tube or passage serving especially or exclusively as an efferent duct of the testis and in the human male being made up of the epididymis, the vas deferens, and the ejaculatory duct

noun

1. The main trunk of the system of lymphatic vessels that lies along the front of the spinal column and opens into the left subclavian vein

noun

1. The duct of the mesonephros that persists in the female chiefly as part of a vestigial organ and in the male as the duct system leaving the testis and including the epididymis, vas deferens, seminal vesicle, and ejaculatory duct