T cells
- derived from lymphoid progenitor cells
- form 80% of lymphocytes
- self-reactive T cells are deleted at maturation
CD4+ T cells bind to Class II MHC molecules on antigen-presenting cells
CD8+ T cells bind to Class I MHC molecules on antigen-presenting cells
t cell deficiency
- vulnerable to intracellular organisms
- Herpes simplex 1
- fungal
- Salmonella
- pneumocystis jirovecii pneumonia
- toxoplasma, cryptococcus neoformans
sources/links
Robbins
paraphrased from MRCEM success