Breast development, early: The beginning of breast development at puberty is known medically as thelarche. It is now a normal event at an earlier age (e.g., age 8) than in the past.
The term thelarche comes from two Greek words: “thele,” nipple + “arche,” beginning. Thelarche is frequently (and incorrectly) written without the “h” as telarche.
- Breast discharge
Breast discharge: The spontaneous flow of fluid from the nipple at any time other than during nursing. This can be due to an unrecognized pregnancy, trauma, surgery, overexercise, or certain drugs. It can also be due to cirrhosis of the liver, false pregnancy (pseudocyesis), kidney failure, disorders of the spinal cord, or a prolactinoma, a […]
- Breast fibroadenoma
Breast fibroadenoma: A common benign (not malignant) tumor of the breast. Usually called simply a fibroadenoma. For more information, see: Fibroadenoma.
- Breast infection
Breast infection: Infection of breast tissue usually caused by bacteria, most often staph (Staphylococcus aureus), which are found on the skin and enter the breast through a break in the skin or nipple, as during breast-feeding. The infected breast may be swollen, hot, reddened, and painful. There may be low grade fever. Treatment includes warm […]
- Breast lump
Breast lump: A localized swelling, knot, bump, bulge or protuberance in the breast. Breast lumps may appear in both sexes at all ages. In women, the fear is usually of breast cancer but many breast lumps turn out, fortunately, to be due to benign conditions that can be successfully treated such as infection, trauma, fibroadenoma, […]
- Breast milk
Breast milk: Milk from the breast. Human milk contains a balance of nutrients that closely matches infant requirements for brain development, growth and a healthy immune system. Human milk also contains immunologic agents and other compounds that act against viruses, bacteria, and parasites. Since an infant’s immune system is not fully developed until age 2, […]