Signal 2 - costimmulation
Periphery/peripheral tolerance
Tfh vs th
Difference between IgG groups
bladder, uti stuff
Hypothalamus - CRH (corticotropin releasing hormone)
Pituitary - ACTH (adrenocorticotropic hormone)
Adrenal gland - glucocorticoids
GCs such as cortisol suppress the immune system, preventing the immune system from reacting too intensely