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What Is Helpful For Me To Know The breast is composed of milk producing tissue that is contained in units called lobules, tubes called ducts that carry milk from the lobules to the nipple, fibrous supporting tissue, blood vessels, lymphatic channels, nerves and fat. The ducts drain out of the breast through multiple openings in the nipple. The skin overlying the breast has sebaceous (oil producing) glands that have many tiny openings onto the skin. In addition, the skin has hair follicles and sweat glands. The darker round skin at the center of the breast is called the areola and contains the nipple onto which open multiple ducts. It also has oil and sweat glands. Occasionally, additional breast tissue may be found in the area under the arms (axilla). This condition is called polymastia. This accessory breast tissue may develop the same benign and malignant conditions as the rest of the breast tissue. It may enlarge, especially during pregnancy, and may be removed to alleviate symptoms or examine a suspicious area. Extra nipples also occur and may be found in a line extending from the underarm to the groin (inguinal) areas. This condition is called polythelia. Usually, these accessory nipples look like slightly raised, dark moles. They are not usually removed unless causing a problem. |
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