A small, tube-shaped part of the body that carries fluids, such as tears, bile, and breast milk.
In your breast, a milk duct carries breast milk from the lobes to the nipple.
Also Known As: milk duct, lactiferous duct, galactophore, galactophorous duct, mammary duct, mamillary duct
Common Misspellings: duck, dukt
Mastitis, a swelling and tenderness of the breast during breastfeeding, can be the result of a plugged milk duct.