What Is a Lobule in the Breast and How Does It Work? Each breast is organized into 15 to 20 larger sections called lobes, arranged somewhat like the sections of an orange Each lobe then branches into many smaller lobules A single lobule contains a cluster of 10 to 100 tiny, hollow sacs called alveoli, each roughly 0 12 mm in diameter
Breast Anatomy - National Breast Cancer Foundation As a woman ages, especially once she reaches menopause, the breast tissue contains more adipose (fatty) tissue A healthy female breast is made up of 12–20 sections called lobes Each of these lobes is made up of many smaller lobules, the gland that produces milk in nursing women
Anatomy of the Breasts - Johns Hopkins Medicine Each breast has 15 to 20 sections, called lobes They are arranged like the petals of a daisy Each lobe has many smaller structures called lobules These end in dozens of tiny bulbs that can produce milk The lobes, lobules, and bulbs are all linked by thin tubes called ducts
Lobules of liver - Wikipedia Blood enters the lobules through branches of the portal vein and hepatic artery proper, then flows through sinusoids In histology (microscopic anatomy), the lobules of liver, or hepatic lobules, are small divisions of the liver defined at the microscopic scale
Lobule | definition of lobule by Medical dictionary portal lobule a polygonal mass of liver tissue containing portions of three adjacent hepatic lobules, and having a portal vein at its center and a central vein peripherally at each corner
21. 4B: Lobes, Fissures, and Lobules - Medicine LibreTexts The two lungs are not identical The right lung has three lobes and left has two lobes They are further divided into segments and then into lobules Lobules are hexagonal divisions of the lungs that are the smallest subdivision visible to the naked eye
Mammary Lobules and Ducts - Location, Structure, Function The breast is composed of approximately 15 to 20 lobes, each lobe containing multiple smaller lobules These lobules are clusters of secretory units — alveoli — which are lined with milk-secreting epithelial cells