CD8-alpha alpha positive, gamma-delta intraepithelial T cell Vgamma5-negative CD8-alpha alpha positive gamma-delta intraepithelial T cell 2011-01-24T10:25:44Z A CD8-alpha alpha positive gamma-delta intraepithelial T cell that does not express a TCR partially encoded by the Vgamma5 gene segment. tgd.vg5-.IEL