Bone: Bone forms the skeleton of the body and is made chiefly of calcium phosphate and calcium carbonate. It also serves as a storage area for calcium.
Bone Density or Bone Mineral Density: A measurement of the amount of calcium and other minerals in bones. This measurement detects osteopenia (bone loss usually without symptoms) and osteoporosis (more severe bone loss that may cause fractures).
It is important to identify the symptoms of spinal compression fractures and notify your doctor right away. Sudden, severe back pain, especially in older women, may signal a spinal compression fracture or another serious condition.
Anyone with significant back pain -- especially a woman who is near or over age 50 -- should see a doctor. Most compression fractures in women over 50 are due to osteoporosis and treatment can help reduce the chance of further compression fractures.
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Calcium: A mineral found mainly in the hard part of bones. Calcium is essential for healthy bones and important for muscle contraction, heart action, nervous system maintenance, and normal blood clotting.
DXA: Dual energy X-ray absorptiometry. It's a technique for scanning bone and measuring bone mineral density.
Estrogen: Estrogen is a female hormone produced by the ovaries. Estrogen deficiency can lead to osteoporosis.
Fracture: A break in bone or cartilage. Although usually the result of trauma, a fracture can be caused by an acquired disease of the bone such as osteoporosis.
Hip Fracture: Broken bone in the hip, a key health problem among the elderly, usually due to a fall or other kind of trauma involving direct impact to the hip joint which may be weakened by osteoporosis.
Hyperparathyroidism: Too much parathyroid hormone resulting in abnormally high levels of calcium in the blood. This can cause bone resorption and osteoporosis, calcium deposits in the kidneys, and other health problems.
Osteopenia: Mild thinning of the bone mass, but not as severe as osteoporosis. Osteopenia is generally considered the first step on the road to osteoporosis.
Osteoporosis: Thinning of the bones with reduction in bone mass due to depletion of calcium and bone protein. Unchecked osteoporosis can lead to posture changes, fractures, physical abnormality, and decreased mobility.
Postmenopausal: After menopause. The time after which a woman has experienced twelve (12) consecutive months without a period.
Vitamin D: A steroid vitamin that promotes the absorption and metabolism of calcium and phosphorus. Sunlight promotes vitamin D synthesis in the skin. Vitamin D is also present in fatty fish such as salmon, mackerel and tuna, and in fortified foods.