The areolar glands (Montgomery glands) are small sebaceous and milk glands that make the little bumps (Montgomery tubercles) on the areola. They become more prominent in pregnancy.
| Location | Areola surrounding the nipple |
|---|---|
| Parts |
|
| Nerve Supply | 4th intercostal nerve (lateral and anterior cutaneous branches) |
| Blood Supply | Internal thoracic and lateral thoracic artery branches |
| Venous drainage |
|
| Lymphatic drainage |
|
Secrete oily fluid that protects and lubricates the nipple and areola during breastfeeding; the scent may help newborns find the breast.
The glands can become blocked or infected, causing small tender lumps. Enlarging tubercles are an early sign of pregnancy.
Blocked areolar gland forming a small lump, mostly in adolescents.
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