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Results for: 'Calcitonin'

Watch Later 1:33

Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

By: HWC, Views: 7691

• Cellular needs for calcium may cause blood calcium concentrations to decline below the normal range. • This decrease stimulates cells in the parathyroid gland to secrete parathyroid hormone. • Binding of parathyroid hormone to osteoclasts in bone tissue promotes bone resorption and th...

Watch Later 2:37

Cellular Defects - Osteoblasts, Osteoclasts and Osteocytes

By: HWC, Views: 7323

■ Metabolically active bone-building cells that secrete astroid. ■ Cover surfaces of newly formed bone and respond to growth stimuli ■ Less responsive to growth factors as the body ages. ■ Contribute to hone loss once their reproductive and biosynthetic potential lessens....