Antigens expressed on the cell membrane of T-lymphocytes during differentiation, activation, and normal and neoplastic transformation. Their phenotypic characterization is important in differential diagnosis and studies of thymic ontogeny and T-cell function.

Synonyms: T Lymphocyte Differentiation Antigens, Differentiation Antigens, T Lymphocyte, Leu Antigens, T-Lymphocyte, T-Lymphocyte Differentiation Antigens, Differentiation Antigens, T-Cell, Antigens, T-Lymphocyte Leu, T-Cell Differentiation Antigens, Antigens, Differentiation, T-Cell, T-Lymphocyte Leu Antigens, Antigens, Differentiation, T-Lymphocyte, L3T4 Antigens, 0, Antigens, T-Lymphocyte Differentiation, Antigens, T-Cell Differentiation, Differentiation Antigens, T Cell, Antigens, Differentiation, T Lymphocyte, Differentiation Antigens, T-Lymphocyte, T Cell Differentiation Antigens, T6 Antigens, Leu Antigens, T Lymphocyte, Antigens, L3T4, Antigens, T6