Endocrinology Basics: Hormones and Receptors

This lecture delves into the basics of endocrinology, focusing on the three main types of hormones: polypeptides, modified amino acids, and steroids. It explains their properties, how they interact with cell membranes, their solubility, and the structures of cells that produce them. The lecture also covers the synthesis of steroid hormones from cholesterol, their mode of action, and examples like cortisol, estrogen, and testosterone.