| Abbreviations | Meaning |
 | ORSA | Osteoclast Resorption Stimulating Activity |
 | BMMEC | Bone Marrow Microvascular Endothelial Cells |
 | OSF | Open Software Foundation; Organ System Failure; Osteoclast-stimulating Factor; Outer Spiral Fiber; Overgrowth Stimulating Factor |
 | MBM | Meat And Bone Meal [see BSE]; Mineral Basal Medium |
 | RO | Renal Osteodystrophy |
 | ARU | Arthritis Rehabilitation Unit |
 | TIA | Topical Irritation Arthritis; Tracheoinnominate Artery; Transient Ischemic Attack; Tumor-induced Angiogenesis; Turbidimetric Immunoassay |
 | NOF | National Osteopathic Foundation; National Osteoporosis Foundation |
 | OARG | Osteoporosis And Arthritis Research Group |
 | JBJS | Journal Of Bone And Joint Surgery (UK) |
 | OCE | Osteocartilaginous Exostoses |
 | RAF | Repetitive Atrial Firing; Rheumatoid Arthritis Factor |
 | AOCPA | American Osteopathic College Of Pathologists |
 | SHO | Secondary Hypertrophic Osteoarthropathy; Senior House Officer; Simple Harmonic Oscillator |
 | ICBG | Iliac Crest Bone Graft |