Medical terminology is used to describe the methodical and precise sequence of actions involved in treating patients with diseases, injuries or disabilities. It is imperative for doctors, nurses, technicians, pharmacists and other health care professionals to know medical terminology since it enables them to give accurate treatment. Medical terminology is the collective term used by health care workers such as physicians, surgeons, clinicians, nurse practitioners, physician assistants, paramedics, X-ray technicians, laboratory technicians and technologists to describe their field. The terms medical terminology and medical science are also interchangeable.

Medical terminology is usually used to describe the entire range of human medical science that deals with the study and diagnosis of disease, injury, congenital anomalies, mental diseases and the prevention of diseases and injury. Medical terminology includes diagnosis, pathological, medical terminology, therapeutic, medical pharmacology. Diagnosis is the process of determining the cause and nature of a health condition, while the pathological part of medical terminology refers to patho-physiology, patho-medical and diagnostic pathology.

Prevention of diseases can be accomplished through preventative medical practices, and medical interventions can be administered in order to halt or mitigate the progression of a disease. Medical interventions include vaccinations, microchips, surgical techniques, etc. The goal of therapy is to achieve symptomatic remission. Surgical techniques can be invasive or noninvasive. There are different ways of diagnosing a disease such as invasive surgery, symptom observation, radiological diagnosis, blood test diagnosis and therapeutic clinical trials.