Keywords: Albers-Schönberg disease; bone modeling; bone remodeling; bone resorption; bisphosphonates; brittle bone disease; carbonic anhydrase; creatine kinase; dense bone diseases; dysosteosclerosis; endochondral bone formation; Erlenmeyer flask deformity; fracturing; hyperostosis; hypersplenism; leukoerythroblastic anemia; marble bone disease; marrow cell transplantation; metabolic bone disease; myelophthisis; neurodegeneration; osteoclast; osteopetrorickets; osteosclerosis; pycnodysostosis; vesicular trafficking