Do you know what "Montgomery's tubers are"?

Do you know what “Montgomery’s tubers are”?
Many women don’t know what these tubers represent, and they come to think that those are buttons or stuff that come out, or sometimes they’re afraid it’s a few things else.
Montgomery’s tubers are the grains that can be found in the pigmented area surrounding the nipple.
Montgomery’s tubers secreted a lubricant, disinfectant. According to several studies, it fills a very important olfactory function, which means that this substance has a smell similar to the amniotic fluid that mothers have during the baby’s pregnancy.
At birth, the baby feels it continuously, let us remember that when leaving the maternal belly, one of the most developed senses by the baby is smell.