Here are definitions of medical terms related to breast reduction.
Areola: disk of darker tissue surrounding the nipple on the breast.
Biopsy: removing tissue from a part of the body to be examined under a microscope for signs of disease.
Cellulitis: an infection of the tissues under the skin. Cellulitis sometimes occurs as the result of a surgical incision or a wound or a suppressed immune system.
Reduction Mammaplasty: the medical term for breast reduction surgery. A "plasty" is a surgical procedure undertaken to rebuild or reconstruct a part of the body. "Mamma" is the Latin word for breast.
