lymph node

noun
any of the glandlike masses of tissue in the lymphatic vessels containing cells that become lymphocytes.
Also called lymph gland.


Origin:
1890–95

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
lymph node
 
n
any of numerous bean-shaped masses of tissue, situated along the course of lymphatic vessels, that help to protect against infection by killing bacteria and neutralizing toxins and are the source of lymphocytes

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

lymph node n.
Any of the small, oval or round bodies, located along the lymphatic vessels, that supply lymphocytes to the bloodstream and remove bacteria and foreign particles from the lymph. Also called lymph gland, lymphoglandula, lymphonodus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
lymph node  
A bean-shaped mass of tissue found at intervals along the vessels of the lymphatic system. Lymph nodes filter foreign substances from the blood.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

lymph nodes definition


Small, rounded structures along the small vessels of the lymphatic system that produce disease-fighting white blood cells and filter out harmful microorganisms and toxins from the lymph. Lymph nodes may become enlarged when they are actively fighting infection.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Example sentences
Some of the potentially harmful ink ends up in the body's lymph nodes, part of
  the immune system.
These structures function as the lymph nodes of the eye, trapping unwanted dirt
  and detritus.
Victims become lethargic and may suffer severe swelling of the lymph nodes.
Sometimes biopsies were taken from her lymph nodes or rectum.
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