Explore a comprehensive video on the introduction to pathology, focusing on cell injury and its reversible nature. Learn to differentiate between cell injury and cell death, understanding that while cell injury is reversible, cell death (apoptosis or necrosis) is irreversible. Discover the various causes of cell injury and examine specific examples, including the roles of iron and copper in cellular damage. Gain insights into cellulitis as a practical application of cell injury concepts. Delve into this foundational topic in pathology to enhance your understanding of cellular processes and their implications in disease.