Question

How many mammary lobes does each breast have?

Options

• 15–20 mammary lobes

• One mammary lobe

• 2–4 mammary lobes

• 10–14 mammary lobes

Answer 1

Each breast has 15–20 mammary lobes. The lobes contain clusters of milk-secreting cells. These cell clusters are called alveoli. Milk follows ducts towards the nipple.