Clinical Pathology is a medical specialty that is concerned with the diagnosis of disease based on the laboratory analysis of bodily fluids.
Cytology is a branch of pathology that studies and diagnoses diseases on the cellular level. The discipline was founded by Rudolf Virchow in 1858.
Hematology is the study of blood, the blood-forming organs, and blood diseases. Hematology includes the study of etiology, diagnosis, treatment, prognosis.
Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms.
Microbiology is the study of microscopicorganisms, either unicellular (single cell), multicellular (cell colony), or acellular (lacking cells).
Histology, is the study of the microscopic anatomy of cells and tissues of plants and animals. It is commonly performed by examining cells and tissues by sectioning and staining.