lymph node

noun

: any of the rounded masses of lymphoid tissue that are surrounded by a capsule of connective tissue, are distributed along the lymphatic vessels, and contain numerous lymphocytes which filter the flow of lymph passing through the node

Examples of lymph node in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
So is a swollen lymph node on the same side of your body as the scratch, which can signal cat-scratch disease, a bacterial infection most common in kids. Angela Haupt, Time, 12 Aug. 2026 Stage 4 breast cancer means the disease has spread beyond the breast and nearby lymph nodes to distant areas of the body. Emily Cegielski, Flow Space, 10 Aug. 2026 According to Sturm, your abdomen has the most lymph nodes, and the area near your collarbone is where lymph fluid can drain properly before the main lymphatic vessel empties back into your bloodstream. Sukhman Rekhi, Verywell Health, 10 Aug. 2026 Side effects included injection-site reactions such as pain, tenderness and swollen lymph nodes; fatigue; headache; muscle or joint pain; nausea or vomiting; and fever. Elise Haulund, CNN Money, 6 Aug. 2026 See All Example Sentences for lymph node

Word History

First Known Use

1892, in the meaning defined above

Time Traveler
The first known use of lymph node was in 1892

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Cite this Entry

“Lymph node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lymph%20node. Accessed 17 Aug. 2026.

Kids Definition

lymph node

noun
: one of the rounded masses of tissue occurring along the lymphatic vessels and containing lymphocytes which filter the flow of lymph

called also lymph gland

Medical Definition

lymph node

noun
: any of the rounded masses of lymphoid tissue that are surrounded by a capsule of connective tissue, are distributed along the lymphatic vessels, and contain numerous lymphocytes which filter the flow of lymph passing through the node

called also lymph gland

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