DN2 thymocyte A thymocyte that has the phenotype CD4-negative, CD8-negative, CD44-positive, and CD25-positive. DN2 alpha-beta immature T lymphocyte DN2 alpha-beta immature T-cell DN2 alpha-beta immature T-lymphocyte DN2 cell DN2 immature T cell Note that this type of thymocyte is at the earliest stage of T cell receptor rearrangement of the beta, gamma, and delta T cell receptor chains. TN2 cell TN2 thymocyte cell double negative 2 preT.DN2.Th double negative thymocyte