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CD4

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noun
  1. a protein on the surface of T cells and other cells, functioning as a receptor for the AIDS virus antigen.
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Origin of CD4

1980–85; c(luster of) d(ifferentiation) 4
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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cd4 in Medicine

CD4

(sē′dē-fôr)
n.
  1. A glycoprotein on the surface of helper T cells that serves as a receptor for HIV.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.