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Glossary

Find definitions and explanations of terminology about osteoporosis and bone health. Learn about bones, osteoporosis drugs and other treatment therapies.
Alendronate
Alendronate is a bisphosphonate drug used for the prevention and treatment of osteoporosis.
Bioavailability
Bioavailability typically refers to the capacity for a substance in a food to be taken up by the body.
Bone Density
Bone density is a general term used to describe the likely strength of bones.
Bone Mineral Density
Bone Mineral Density (BMD) is a measure of the mineral content of bones. Much of the strength of the skeleton comes from its mineral content which is related to an individual’s bone strength and their risk for bone fracture.
DEXA or DXA
DEXA and DXA are acronyms commonly used for dual x-ray absorptiometry, a method of measuring bone mineral density.
Osteoblast
Osteoblasts are specialized bone cells that build bone tissue. Their action is counter-balanced by osteoclast cells that break down bone tissue.
Osteoclast
Osteoclasts are specialized bone cells that break down bone tissue. Their action is counter-balanced by osteoblast cells that build bone tissue.
Osteomalacia
Osteo refers to bone and malacia means soft. The condition of osteomalacia is characterized by soft bones.
Osteopenia
Understanding the difference between osteopenia and osteoporosis.
Rickets
Rickets is a condition in children characterized by soft bones caused by vitamin D deficiency.

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