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As calcium is required for bone development, many bone diseases can be traced to the organic matrix or the hydroxyapatite in molecular structure or organization of bone. Osteoporosis is a reduction in mineral content of bone per unit volume, and can be treated by supplementation of calcium, vitamin D, and bisphosphonates .
Ever since you were a little kid, people (and commercials) likely told you to drink lots of milk because it would help you build strong bones thanks to its abundance of calcium. In fact, your ...
Dietary calcium and phosphorus ratio, along with vitamin D, regulates bone mineralization and turnover by affecting calcium and phosphorus transport and absorption in the intestine. [ 4 ] It has been suggested that osteophagy is an innate behavior that allows animals to supplement their phosphorus and calcium uptake in order to avoid the costly ...
Calcium makes up 920 to 1200 grams of adult body weight, with 99% of it contained in bones and teeth. This is about 1.5% of body weight. [ 2 ] Phosphorus occurs in amounts of about 2/3 of calcium, and makes up about 1% of a person's body weight. [ 10 ]
Bone Mineral Density (BMD) tends to peak at a young age. When children are younger, they start building up their BMD through their nutrition and through exercise. BMD peaks at around 12.5 years old for girls and around 14 years old for boys. [23] It could be caused by a deficiency in calcium or Vitamin D. Calcium is the main nutrient for bone ...
All 11 are necessary for life. The remaining elements are trace elements, of which more than a dozen are thought on the basis of good evidence to be necessary for life. [1] All of the mass of the trace elements put together (less than 10 grams for a human body) do not add up to the body mass of magnesium, the least common of the 11 non-trace ...
The most common biogenic phosphate is hydroxyapatite (HA), a calcium phosphate (Ca 10 (PO 4) 6 (OH) 2) and a naturally occurring form of apatite. It is a primary constituent of bone, teeth, and fish scales. [33] Bone is made primarily of HA crystals interspersed in a collagen matrix—65 to 70% of the mass of bone
This deficiency reduces intestinal calcium absorption, decreases calcium reabsorption by the kidneys, and increases parathyroid hormone secretion, all contributing to bone resorption. Additionally, vitamin D3 deficiency, common in older adults due to reduced skin synthesis and limited sun exposure, further disrupts calcium homeostasis by ...