anatomy of the female breast side view. structure of the milk ducts and lobules of the mammary gland. mammary alveoli

mammary gland lobule anatom breast epithelial milk secreting cells duct secretory cell alveoli myoepithelial producing organ illustration woman science health human medical anatomical body medicine breastfeeding lactation reproductive biology nursing glands chest tissue female normal anatomy detailed side view fat pectoralis muscle lobules lactiferous areola nipple sinus rib intercostal muscles