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[21] [26] Decreased estrogen is a common cause of osteoporosis that can be seen in other conditions such as ovariectomy, ovarian failure, anorexia, and hyperprolactinaemia. [ 41 ] Osteoblastic synthesis of bone does not increase to compensate for the accelerated bone resorption as the lower estrogen levels result in increased rates of ...
Estrogen plays an important role in building and maintaining your bones. The most common cause of low estrogen levels is menopause. After menopause, your ovaries make very little estrogen.
In addition to estrogen, calcium metabolism plays a significant role in bone turnover, and deficiency of calcium and vitamin D leads to impaired bone deposition; in addition, the parathyroid glands react to low calcium levels by secreting parathyroid hormone (parathormone, PTH), which increases bone resorption to ensure sufficient calcium in ...
Some diseases with symptoms of decreased bone density are osteoporosis, and rickets. Some people who experience increased bone resorption and decreased bone formation are astronauts. Due to the condition of being in a zero-gravity environment, astronauts do not need to work their musculoskeletal system as hard as when on earth. Ossification ...
And, if too much estrogen is lost, there is a higher risk of osteoporosis. ... but they also play a critical role in overall health, producing hormones that regulate numerous systems, including ...
Primary, or involuntary osteoporosis, can further be classified into Type I or Type II. [1] Type I refers to postmenopausal osteoporosis and is caused by the deficiency of estrogen. [1] While senile osteoporosis is categorized as an involuntary, Type II, and primary osteoporosis, which affects both men and women over the age of 70 years.