osteo-, oste-, ost-

1. The bony cranium, as distinguished from the cartilaginous cranium.
2. The fetal skull during the period of ossification, from early in the third month of gestation.
3. The cranium of the fetus after ossification of the membranous cranium has made it firm.

Pain in a bone or bones; ostealgia: An injury, leukaemia, or an infection are just three examples of what can cause a condition of osteodynia.

A generalized skeletal dysplasia with prominent forehead and small mandible.

Radiographically, there are irregular ribbonlike constrictions of the ribs and tubular bones.

Defective formation of bone; common in dogs with chronic nephritis.

Defective bone development.

1. The surgical removal of bone.
2. In dentistry: the resection of supporting osseous (bone) structure to eliminate periodontal pockets.

Fibrosis (formation of fibrous tissue) of bone, mainly involving red bone marrow.

1. Brittle bone disease.
2. A rare hereditary disease in which abnormal connective tissue development leads to fragile bones subject to fracture.

Osteogenesis imperfecta (OI) is not one but a group of genetic diseases (Types I and II), all of which affect collagen in connective tissue in the body and all of which result in fragile bones.