Save This Word!
a protein on the surface of T cells and other cells, functioning as a receptor for the AIDS virus antigen.
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Origin of CD4
1980–85; c(luster of) d(ifferentiation) 4
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use CD4 in a sentence
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.
Medical definitions for CD4
[ sē′dē-fôr′ ]
A glycoprotein on the surface of helper T cells that serves as a receptor for HIV.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.