Rheumatic Diseases and Osteoporosis are very common diseases. Recently the prevalence of Arthritis among American citizens is documented with 20%. This dictionary provides a comprehensive list of common terms and definitions in clinical rheumatology and osteology. It contains systematical descriptions selected from diseases of the locomotor apparatus, including osteoporosis, and important laboratory findings with special reference to the immunological parameters, which are essential for a correct definition of rheumatologic disorders. Another focus is placed on general principles of the pharmacological treatment, including Biologicals and modern therapy. The book also provides information about the individual disorders from the field of mineral metabolism and metabolic osteopathy s, and covers basic issues of rheumatic surgery as well as general entries from the fields of physical medicine and physiotherapy, including a system of functional assessment.