CD4/CD8 ratio

CD4/CD8 ratio

AIDS The ratio of circulating T cells with the 'helper cell' determinant–CD4 on the cell surface to T cells with 'suppressor cell' determinant–CD8. See CD4, CD8, CD4/CD8 coexpression.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.