An abnormal sac within a tissue or organ, usually filled with fluid. A tube in the breast through which milk passes from the lobes to the nipple. A female hormone. A doctor who treats diseases of the female reproductive organs. Chemicals produced by certain glands in the body.
Hormones control the way certain cells or organs act.
A subdivision of the lobes of the breast. Small, bean-shaped organs located along the lymphatic system. Nodes filter bacteria or cancer cells that may travel through the lymphatic system. Also called lymph glands. The tissues and organs including the bone marrow, spleen, thymus and lymph nodes, that produce and store cells that fight infection and the channels that carry lymph fluid.