From Wikipedia:

Areolar glands, also known as glandulae areolares, Montgomery glands, and tubercula areolae, are 10-15 elevations found on the areola. They are usually arranged in a circle around the nipple, and can be particularly visible when the nipple is erect. Their role is to promote adequate breastfeeding of the infant.

The tag didn't work for me so I added support. Simple

For Illustrious version:

Might generate body freckles and sweat by default so try adding those terms to the negatives if you don't want that.