dysplasia osteopetrosis Albers-Schoenberg disease Excessive formation of dense trabecular bone and mineralized cartilage, especially in long bones, leading to obliteration of marrow spaces and to anemia with myeloid metaplasia and hepatosplenomegaly beginning in infancy, to bone fragility, and to progressive deafness and blindness. MPATH:592 marble bone disease marble bones mouse_pathology.ontology