Retaining the wide array of full color photos, illustrations, and photomicrographs that have made Graff's Textbook of Urinalysis and Body Fluids a time-honored resource for students and laboratory professionals, this updated Third Edition is now even easier to use and easier to teach from.In addition to adding new and expanded content, the authors have reorganized the book into shorter, easier-to-digest chapters, added photos that depict important slides currently seen in practice, and created new online engagement exercises to help students master the material. An expanded array of online resources saves instructors time and help students succeed.