What's the difference between i.e. and e.g.?
cortisol cor·ti·sol (kôr'tĭ-sôl', -zôl', -sōl', -zōl')
an organic compound belonging to the steroid family, the principal hormone secreted by the adrenal glands. It is a potent anti-inflammatory agent and is also used for the palliative treatment of rheumatoid arthritis.