The area of dark-colored skin on the breast that surrounds the nipple.
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.Date last modified: 2014-10-28