This document lists and defines common medical specialties, general medical terms, body parts, medical prefixes, and terms related to various body systems and diseases. It provides definitions for over 200 terms related to anatomy, pathology, pharmacology, psychiatry, cardiology, respiratory systems, rheumatology, and other areas of medicine. Specialties are defined like cardiology as the study of the heart and its diseases. Medical terms include definitions for concepts like antibodies, antigens, and symptoms. Body parts are identified by location like anterior, posterior, and proximal. Prefixes indicate relation to organ systems.