T lymphocytes (or T cells) are a type of white blood cell belonging to the lymphocyte lineage, which plays an important role in the body's immune response. T lymphocytes originate from bone marrow hematopoietic stem cells and mature in the thymus. This article will discuss the development of T lymphocytes in the thymus and the classification of T lymphocytes.

Helper T cells were discovered in 1966 by a group of scientists at the University of Colorado in the United States. Helper T cells (or CD4+ T cells) are lymphoid cells originating from the bone marrow, differentiated and matured in the thymus. After maturity, they will migrate to peripheral tissues, lymph nodes or circulate in the peripheral blood.

Helper T cells (or CD4+ T cells) were discovered in 1966 by a team of researchers at the University of Colorado in the US. These are cells that play a vital role in the immune system response. of body. After being differentiated and matured, helper T cells migrate to the lymph nodes, peripheral tissues, or peripheral circulation of the body.