• (gland, mammary) The exocrine glands of the mammae that produce milk in females, and are composed of lobules, alveolar ducts and alveoli.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• Glandular organ located on the chest. The mammary gland is made up of connective tissue, fat, and tissue that contains the glands that can make milk.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• In humans, the glands of the breast, consisting of fibrous tissue connecting the lobes and fatty tissue in between the lobes.
  NCI
  U.S. National Cancer Institute, 2021
• Organ cluster which has as its parts a collection of lactiferous glands and surrounding stroma.
  Foundational Model of Anatomy
  University of Washington, 2017
• Specialized accessory gland of the skin of mammals that in females can secrete milk; in the human female, it is a compound tubuloalveolar gland composed of 15-25 lobes arranged radially about the nipple and separated by connective and adipose tissue.
  CRISP Thesaurus
  National Institutes of Health, 2006
• (mammary glands, human) Glandular tissue in the BREAST of human that is under the influence of hormones such as ESTROGENS; PROGESTINS; and PROLACTIN. In WOMEN, after PARTURITION, the mammary glands secrete milk (MILK, HUMAN) for the nourishment of the young.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Mammary gland, milk-producing gland characteristic of all female mammals and present in a rudimentary and generally nonfunctional form in males. Mammary glands are regulated by the endocrine system and become functional in response to the hormonal changes associated with parturition. In the...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2025