produced by animal substance mammalian milk product mammary gland milk An emulsion of fat globules within a fluid that is secreted by the mammary gland during lactation. LanguaL curation note: See scope note for *MILK OR MILK COMPONENT*. for lowfat milk use *FAT PARTIALLY REMOVED*; for skim milk, use *FAT FULLY REMOVED* (both found in D3. TREATMENT APPLIED). mammal milk bodily fluid mammary gland fluid/secretion