CD4
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English[edit]
Etymology[edit]
Initialism of cluster of differentiation type 4.
Noun[edit]
CD4 (countable and uncountable, plural CD4s)
- (countable, uncountable, immunology) A glycoprotein found on the surface of helper T cells and several other types of immune cells.
- (countable, immunology) A CD4+ helper T cell.