osteopetrosis

noun Pathology.

1. any of several hereditary diseases characterized by increased bone density.

n.

1. An inherited disorder in which bone and cartilage, especially in long bones, become dense and hardened to an extent that marrow is obliterated, and anemia, spleen and liver enlargement, blindness, and progressive deafness occur; it begins in infancy and sometimes results in early death.Albers-Schönberg disease marble bone disease marble bones