Milk lobes
Lobi glandulae mammariae · Mléčné laloky
Reproductive system
Looks like
Around 15 to 20 wedge-shaped lobes arranged like wheel spokes around the nipple, each made of many small clusters of milk sacs.
What it does
Make milk, each lobe draining through its own duct to the nipple.
Keeping it well
Most breast cancers start where the smallest ducts meet these lobules. Screening mammograms find changes before a lump can be felt; a new lump still needs checking even after a normal mammogram.