Vitamin D defici.ency. With a decrease in vitamin D, theres a decrease in Ca absorption. So you have bone remodeling to increase levels of calcium. As bone is remade by osteoblasts, osteoid is formed (but no mineralization of osteoid).
What are the symptoms of osteomalacia?
Muscle weakness, bone pain and waddling gait. Biochemical symptoms are low vit D levels, low plasma and urinary Ca levels, and low plasma P levels. If very severe, symptoms of low calcium levels (abnormal heart rhythm, numbness around mouth and arms and legs, spasms of hands and feet).
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