Accessible and user-friendly, Cell Biology, 4th Edition, provides a strong foundation for students entering health care career paths as well as higher level research areas. Clear, readable text and high-quality, detailed illustrations help readers quickly grasp challenging content—all focusing on cellular processes without delving into molecular processes. Drs. Thomas D. Pollard, William C. Earnshaw, Jennifer Lippincott-Schwartz, and author/illustrator Dr. Graham Johnson have thoroughly updated this popular text to ensure its relevance for students in biology, biotechnology, medicine, and pathophysiology, covering key principles of cellular function and explaining how molecular defects lead to cellular dysfunction and cause human disease.