ABSTRACT
Regulation of the body’s homeostasis is partially under the control of the endocrine system. This is a system whereby specialized tissues or glands elaborate hormones (from the Greek “to urge on”) into the bloodstream for distribution within the body, where they regulate organ and cellular function in a “feedback” relationship. Without this constant feedback, the human body would be a disorganized mob of 50 trillion cells. Endocrine transmission is relatively slow and diffuse. In comparison, neuronal transmission is rapid and discrete, sometimes delivering a specific signal to an individual cell.
