lacks_plasma_membrane_part has plasma membrane part develops_from develops from develops from DN2 thymocyte DN3 thymocyte TN3 thymocyte DN3 alpha-beta immature T lymphocyte early cortical thymocyte A thymocyte that has the phenotype CD4-negative, CD8-negative, CD44-negative, and CD25-positive and expressing the T cell receptor beta-chain in complex with the pre-T cell receptor alpha chain. DN3 immature T cell DN3 alpha-beta immature T-lymphocyte TN3 cell There is growing evidence that molecular markers characterizing double negative thymocytes are different across species, especially in mouse versus human thymus. If in doubt, please consider using CL:0002489 'double negative thymocyte'. DN3 cell DN3 alpha-beta immature T-cell preT.DN3.Th double negative 3 thymocyte double negative thymocyte pre-T cell receptor complex CD4 molecule CD44 molecule interleukin-2 receptor subunit alpha T cell receptor co-receptor CD8