Bone research.
D000818:Animals; D001862:Bone Resorption / Q000503:physiopathology; D001842:Bone and Bones / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D008867:Microtomy; D010012:Osteogenesis; D010513:Periodontal Ligament / Q000502:physiology; D051381:Rats