What exactly is an immunologically privileged site? Well, there are certain locations in our body that do not have any lymph vessels or do not have any blood vessels. And what that means is why blood cells have no way of actually getting to these locations. And what that implies is because the wide blood cells cannot get to these immunologically privileged sites then the self antigens found on the cells of these immunologically privileged sites basically are not recognized by the white blood cells. So certain places of our body are out of reach to the majority of our white blood cells because they contain virtually no blood vessels or no lymph vessels. And two examples are our cornea in the eye as well as our brain.