A reason for the differing color may be to make the nipple area more visible to the infant. Infants sometimes create trauma to the nipple and areolae by latching-on of the infant. Rated according to the Tanner scale of physical development, in stage four, the areolae are raised. The mature human female nipple has several small openings arranged radially around the tip of the nipple lactiferous ducts from which milk is released during lactation. This article needs more medical references for verification or relies too heavily on primary sources.
Christina. Age: 32.
European Journal of Plastic Surgery.
Joanna. Age: 22.
11 Nipple Facts You Need in Your Life
Anatomical terminology [ edit on Wikidata ]. European Journal of Plastic Surgery. Wikimedia Commons has media related to Areola. Areola, more generally, is a small circular area on the body with a different histology from the surrounding tissue , or other small circular areas such as an inflamed region of skin.