Bone mineral density
Bone mineral density: BMD, a measure of bone density, reflecting the strength of bones as represented by calcium content. The BMD test detects osteopenia (mild bone loss, usually without symptoms) and osteoporosis (more severe bone loss, which may cause symptoms). See also: Bone mass density, Osteopenia, Osteoporosis.
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- Bone morphogenetic protein
Bone morphogenetic protein: A member of a superfamily of proteins that promote the formation of bone and the skeleton and help mend broken bones. Although it was known that scrapings from healthy bone stimulated the healing of fractures, the nature of the regenerative mechanism remained a mystery until 1965 when Dr. Marshall Urist did an […]
- Bone morphogenic protein 2
Bone morphogenetic protein 2: A protein that induces the formation of bone and cartilage. Bone morphogenic protein 2 (which is symbolized BMP2) belongs to a superfamily called transforming growth factor beta (TGF-beta). The gene for BMP2 is on chromosome 20 in band 20p12.3. Three sets of variations within the BMP2 gene reportedly triple the risk […]
- Bone scan
Bone scan: A nuclear medicine technique for creating images of bones on a computer screen or on film. A small amount of radioactive material is injected into a vein and travels through the bloodstream. It collects in the bones, especially in abnormal areas of the bones, and is detected by an instrument called a scanner. […]
- Bone, ankle
Bone, ankle: The ankle bone is termed the talus. It is the bone of the foot that joins the tibia and fibula to form the ankle joint. Plural tali.
- Bone type
Bone type: One of the four basic bone shapes in the human skeleton — long bones, short bones, flat bones, and irregular bones. Long bones have a tubular shaft and articular surface at each end. The major bones of the arms (humerus, radius, and ulna) and the legs (the femur, tibia, and fibula) are all […]