Agglutination reaction. Agglutination refers to a clumping that occurs when an antigen comes into contact with its corresponding antibody. This process mimics what happens in the body when antibodies cause antigens to agglutinate, promoting easy removal of the infectious organism.
Cytopathology is a branch of pathology involving the study and diagnosis of diseases at the cellular level using a light microscope. Traditionally the discipline has been divided into cervical cytopathology (commonly referred to as cervical cytology) and diagnostic cytopathology. Diagnostic cytology is mainly used for diagnosis of cancer in many parts of the body.
Psychopathology is the scientific study of mental disorders, including efforts to understand their genetic, biological, psychological, and social causes; effective classification schemes (nosology); course across all stages of development; manifestations; and treatment.efore diagnosing a psychological disorder, clinicians must study the themes, also known as abnormalities, within psychological disorders. The most prominent themes consist of: deviance, distress, dysfunction and danger. These themes are known as the four Ds, which define abnormality.