CD4 Definition

sēdē-fôr
noun
A glycoprotein predominantly found on the surface of helper T cells. In humans, it is a receptor for HIV, enabling the virus to gain entry into its host.
American Heritage
Synonyms:
  • cluster of differentiation 4
adjective
Designating or of a biochemical receptor found on the surface of various cells, esp. helper T cells: HIV binds to this receptor.
Webster's New World
abbreviation

(immunology) A glycoprotein found on the surface of helper T cells; in humans, it enables the HIV virus to enter a cell.

Wiktionary

Origin of CD4

  • c(luster of) d(ifferentiation antigen) 4

    From American Heritage Dictionary of the English Language, 5th Edition

  • cluster of differentiation 4

    From Wiktionary

Words Near CD4 in the Dictionary