mammary gland

noun

: any of the large compound modified sebaceous glands that in female mammals are modified to secrete milk, are situated ventrally in pairs, and usually terminate in a nipple

Examples of mammary gland in a Sentence

Recent Examples on the Web Because of the heavy viral load in milk and mammary glands, scientists suspect the virus is being spread to animals during the milking process, either through contact with infected equipment or with virus that becomes aerosolized during cleaning procedures. Julie Steenhuysen, Detroit Free Press, 23 May 2024 Researchers had discovered antibodies against H5N1 in a slice of a mammary gland. Amy Maxmen | Kff Health News, ABC News, 24 May 2024 Canadian scientists infected ferret pups with H1N1 and allowed them to nurse; their mothers developed infection in their mammary glands. Helen Branswell, STAT, 9 May 2024 The study, a preprint that hasn’t yet been through peer review by a scientific journal, found that tissue from the mammary gland contains abundant receptors of the kind to which avian flu viruses like H5N1 can attach. Helen Branswell, STAT, 6 May 2024 Colostrum is the first nourishment expressed from the mammary glands of a mammal, immediately and up to a few days after giving birth. Antara Sinha, Bon Appétit, 21 Mar. 2024 Colostrum is the fluid created by mammary glands after pregnancy and before breastfeeding. USA TODAY, 25 Aug. 2023 Colostrum is a nutrient-dense substance produced in the mammary glands of mammals within the first few days after giving birth. Amber Smith, Discover Magazine, 25 Apr. 2023 And yes, new moms should be aware that underwired bras can pose the risk of pressing against the lymphatic system and causing mastitis — a painful inflammation of mammary glands—in some people, according to Sena. Courtney Leiva, Peoplemag, 21 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mammary gland.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of mammary gland was in 1826

Dictionary Entries Near mammary gland

Cite this Entry

“Mammary gland.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mammary%20gland. Accessed 21 Jun. 2024.

Kids Definition

mammary gland

noun
: one of the large glands that in female mammals produce milk and in males are usually underdeveloped, are located in pairs on the abdominal side of the animal body, and usually end in a nipple

Medical Definition

mammary gland

noun
: any of the large compound sebaceous glands that in female mammals are modified to secrete milk, are situated ventrally in pairs, and usually terminate in a nipple

More from Merriam-Webster on mammary gland

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