Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Gland, mammary

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Gland, mammary: One of the glands within the breast that secrete milk when prompted to do so by special hormones. Mammary glands are slightly tender to the touch, and may become more so during menstruation or pregnancy. They become enlarged when engorged with milk.

See also mastitis.