| 医疗的 |
A type of lymphocyte. There are two major types of T lymphocytes: CD8 cells cytotoxic T lymphocytes and CD4 cells helper T lymphocytes; both T cell types are essential for a healthy immune system. HIV infects and destroys CD4 cells, gradually destroying the immune system. 亦见 CD4 T lymphocyte, CD8 T lymphocyte, lymphocyte |
