In this lecture we're going to focus on the interior pituitary gland. Now the interior pituitary gland is actually controlled by a section of the forebrain known as our hypothalamus. Now the hypothalamus actually controls the anterior pituitary gland by using its own set of hormones and that's exactly why the hypothalamus is a gland of its own because it releases and produces hormones. Now in fact, the hypothalamus plays such an important role in the endocrine system we call the hypothalamus the master gland of the endocrine system of the human body. So let's take a look at the following diagram. So we have the hypothalamus of the forebrain.