Essential clinical pathology covers the whole of the clinical pathology course. It approaches disease by system, concentrating on how the biological and physical manifestations of disease correlate with the underlying abnormalities and physiological disturbances. The book explains the processes within the body that result in the signs and symptoms of disease by investigating the biochemistry, bacteriology, virology, haematology, and immunology of disease around a core of histopathology and morbid anatomy. The book starts with an introduction to laboratory medicine