What are the raised pimple like things around a woman's nipples and the ring ?

What causes them and what is their function. Also the wide ring around where the pimples are most prominent. Don%26#039;t mean to be gross, just something I always wanted to know.|||The bumps are called montgomery glands. They secrete oil so that the nipple doesn%26#039;t get dry and cracked from breastfeeding. The pink or brown coloured skin around the nipple is the areola|||Its called areola..Its just pigmented skin that surround the nipple.Pleural its called areolae. The nipple connects with the woman%26#039;s milk duct.They have no real function, only the nipple does as it is connected to the women%26#039;s milk ducts..|||Montgomery glands are the pimple like bumps, they keep the skin around the nipple miosturised and the outer brown ring is called the aureola.|||Areolae|||they are areas of the skin that are more porous so that milk can pass through the nipple when breast feeding.|||You guys need to get out of the jungle. We don%26#039;t have that stuff in Hollywood|||Its ok|||they are just like skin tags. a lot of women get them. they come off after a while.|||i think they%26#039;re hair follicles.... ??