Negative selection in fetal thymus clonally deletes many self-reactive T cells, permanently removing them as potential sources of autoimmune attack. Self-reactive T cells slipping past thymic ...

Pre-T cell levels were low in marrow of neonatally thymectomized mice and could be restored to control values by treatment in vivo with an extract of mouse thymus. Levels of activity were also low in ...

Medically reviewed by Steffini Stalos, DO CD4 T helper cells are a type of white blood cell called a lymphocyte that serves ...

The thymus gland is part of our lymphatic system. It’s involved in the development of a type of white blood cell called a T lymphocyte. These white blood cells are part of your immune system. They ...