Explore a comprehensive 20-minute medical lecture on epithelial tissue classification and location. Delve into the various types of epithelia, including squamous, cuboidal, and columnar, as well as their simple and stratified forms. Learn about the structure, function, and distribution of different epithelial tissues throughout the body, from the skin's outer layer to the lining of internal organs. Gain insights into the importance of epithelial tissue in protection, secretion, and absorption processes. Enhance your understanding of basic medical sciences with this detailed examination of epithelial tissue types and their roles in human anatomy.