And that means it's a much shorter type of effect than our endocrine system that uses them to create a much longer lasting effect. Now let's move on to our outer portion known as the cortex. So the adrenal cortex of our adrenal gland is responsible for secreting a group of hormones known as our corticosteroids. Now, Corticosteroids simply means they are derived from steroids, specifically from cholesterol, and that makes them lipid soluble. So that means all of these hormones are basically not water soluble. So that means they do need carriers, protein carriers, to transport them inside the blood plasma.