Endocrinology is the medical discipline dealing with regulation of body functions by hormones and other biochemicals and treatment of endocrine system imbalances. The endocrine system consists of several glands, in different parts of the body, these glands are ductless; the hormones are secreted directly into the blood to be carried to the target tissue or organ. The hormones are highly specific and their action may be selective or generalized.

Attribution: Straight Talk Foundation