Hormones and their antagonists

Hormones (ancient Greek – excite, induce) – biologically active substances of organic nature, produced in specialized cells of the endocrine glands, entering the blood, binding to the receptors of target cells and having a regulatory effect on metabolism and physiological functions. Hormones serve as humoral (blood-borne) regulators of certain processes in various organs and systems.
This group includes numerous drugs that mimic the action of the products of the endocrine glands in the body, their homologues, and also antagonists. The main area of ​​application of “imitators” is the absolute or relative insufficiency of the corresponding hormones, antagonists – the need to remove the effect or its separate component.