osteo-, oste-, ost-
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.
Radiographically, there are irregular ribbonlike constrictions of the ribs and tubular bones.
2. In dentistry: the resection of supporting osseous (bone) structure to eliminate periodontal pockets.
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.