| LAK T cells | Lymphokine Activated Killer T cells |
|---|---|
| SRC | sedimented red cells; sheep red cells |
| UC | ulcerative colitis; ultracentrifugal; umbilical cord; unchanged; unclassifiable; unconscious; undiff... |
| Th cell | helper T cell(= T4 cell) |
| CD4 | HIV helper cell count |