Bone Resorption
Bone resorption is the process by which osteoclasts break down bone tissue and release minerals, resulting in a transfer of calcium from bone tissue to the blood. This process is regulated by various hormones and cytokines, and is necessary for the maintenance of calcium homeostasis in the body. In space and astronautical engineering context, bone resorption is a major concern for astronauts who experience a decrease in bone density during spaceflight due to the lack of mechanical loading on bones in microgravity environments. This can lead to an increased risk of fractures and other bone-related injuries upon return to Earth. To mitigate this risk, various countermeasures such as exercise, nutrition, and medication have been developed and implemented in space missions.
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