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[lim-fuh-blast] /ˈlɪm fəˌblæst/
noun, Cell Biology
a large, metabolically active lymphocyte shortly before it enters into mitosis.
Origin of lymphoblast
1905-10; lympho- + -blast
Related forms
lymphoblastic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for lymphoblast
  • Drawing also shows a lymphoid stem cell becoming a lymphoblast and then one of several different types of white blood cells.
British Dictionary definitions for lymphoblast


an abnormal cell consisting of a large nucleus and small cytoplasm that was once thought to be an immature lymphocyte and is now associated with a type of leukaemia (lymphoblastic leukaemia)
Derived Forms
lymphoblastic (ˌlɪmfəʊˈblæstɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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lymphoblast in Medicine

lymphoblast lym·pho·blast (lĭm'fə-blāst')
An immature cell that gives rise to a lymphocyte. Also called lymphocytoblast.

lym'pho·blas'tic adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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