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Duct - Milk Duct - Definition of Breast Milk Duct


Updated November 08, 2007

Definition: (noun) 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.

Pronunciation: dukt
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.
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