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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Example sentences
The alien had colonized a bit of my lung as well as quite a bit of my lymph
  node.
Hiv is frequently detected using lymph node extracts and can be found in
  tissues readily when virtually undetectable in blood.
The cancer is currently contained in his right lymph node and on the back of
  his tongue.
The size of a lymph node varies generally from that of a pinhead to a bean.
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