Also known as: T Cell
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.
See Related Term(s): CD4 T Lymphocyte, CD8 T Lymphocyte, Lymphocyte