What are Montgomery tubercles or Montgomery glands? Montgomery tubercles are lubrication glands that produce oil and help keep your areolas and nipples soft while you breastfeed. Their name comes from Irish obstetrician William Fetherstone Montgomery, who first described them in 1837. Montgomery Tubercles: What They Are and Why They Matter. Our bodies have fascinating ways of adapting to different stages of life, especially during pregnancy and breastfeeding. One such adaptation is the appearance of Montgomery tubercles—small, raised bumps on the areola (the darker area surrounding the nipple). These bumps are completely normal and play an essential role in protecting the breasts and nipples, especially during pregnancy and breastfeeding. Visit - MedEd App Read More ... Montgomery tubercles are sebaceous glands on your areolas that lubricate, protect, and support your breasts. Learn about their appearance, how they change during pregnancy, breastfeeding, and puberty, and how to prevent or treat infections and cysts. Montgomery tubercles are small bumps around your nipples that lubricate your areolas and help with breastfeeding. Learn about their appearance, causes, benefits, and how to treat infections or cysts.