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memory cell

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noun Immunology.
  1. any small, long-lived lymphocyte that has previously encountered a given antigen and that on reexposure to the same antigen rapidly initiates the immune response (memory T cell) or proliferates and produces large amounts of specific antibody (memory B cell): the agent of lasting immunity.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for memory cell

Historical Examples

  • "Well, that hour's memory-cell is filled all right," Lloyd thought.

    The Little Colonel in Arizona

    Annie Fellows Johnston


memory cell in Culture

memory cell

A cell in the immune system that, when exposed to an invading pathogen, replicates itself and remains in the lymph nodes searching for the same antigen, resulting in a more efficient and rapid response to any subsequent attack.

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Note

The creation of memory cells is one of the main goals of vaccination.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.