Glandular organ located on the chest. The breast is made up of connective tissue, fat, and breast tissue that contains the glands that can make milk. Also called mammary gland.
Source: NCI Dictionary of Cancer Terms
Caption: Anatomy of the female breast. The nipple and areola are shown on the outside of the breast. The lymph nodes, lobes, lobules, ducts, and other parts of the inside of the breast are also shown.
Caption: Male breast anatomy: Anatomy of the male breast showing the nipple, areola, fatty tissue, and ducts. Nearby lymph nodes, ribs, and muscle are also shown.2003-05-23 Date last modified: 2011-09-30