Table II.

T cell counts in histologic sections of normal human skin

Anatomic LocationMean T Cells/cm2SDnProjected No. T Cells Entire Cutaneous Surface
Sun exposed (face, neck)1.18 × 1062.1 × 105252.12 × 1010
Non-sun exposed (breast, abdomen)1.04 × 1064.9 × 105111.96 × 1010