mammary gland

noun

Definition of mammary gland 

: 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

Unfortunately, cancer in the mammary glands (similar to breast cancer in humans) can also occur in both male and female dogs. Texas A&m University, Houston Chronicle, "Pet Talk: Mammary tumors in dogs," 20 June 2018 The chances of a tumor being cancerous increases with age, so pay special attention to any abnormalities in your older pup’s mammary glands. Texas A&m University, Houston Chronicle, "Pet Talk: Mammary tumors in dogs," 20 June 2018 However, only about 50 percent of mammary tumors are cancerous, with a majority of these cases being carcinoma (arising from the lining of the ducts in the mammary gland), Wustefeld-Janssens said. Texas A&m University, Houston Chronicle, "Pet Talk: Mammary tumors in dogs," 20 June 2018 The most common carrier is a rodent of the Mastomys species, 4 to 7 inches long and with 24 mammary glands. Donald G. Mcneil Jr., New York Times, "Lassa Fever Erupts in Nigeria," 16 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mammary gland.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of mammary gland

1826, in the meaning defined above

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The first known use of mammary gland was in 1826

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More Definitions for mammary gland

mammary gland

noun

English Language Learners Definition of mammary gland

: a gland in a woman's breast or in a female animal that produces milk

mammary gland

noun

Medical Definition of mammary gland 

: 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

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