CD4
- 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
Examples from the Web for cd4
Contemporary Examples
The first difference was this: their CD4 cells, also called T-cells or T4 cells, were normal.
Since AIDS first was described, the CD4 cell count has been the clinical signpost that guided doctors and patients.
CD4
(sē′dē-fôr′)- 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.