Vitamin D, Calcium, PTH Pathways and Effect on Bone
Автор: Oral Radiology
Загружено: 2026-02-04
Просмотров: 14
Описание: Dr. Mecham explains the pathways of vitamin D and its effects on calcium and phosphate metabolism, which are crucial for understanding various diseases. It outlines the conversion of pre-vitamin D from sunlight exposure to its active form, calcitriol, through processes in the liver and kidneys. The active form of vitamin D plays a significant role in bone turnover, calcium absorption in the gut, and regulation of parathyroid hormone (PTH) levels. Dr. Mecham also discusses the importance of maintaining normal calcium levels for overall health, the functions of PTH in calcium regulation, and the role of alkaline phosphatase in bone mineralization, particularly in conditions like Paget's disease. Overall, the video emphasizes the interconnectedness of vitamin D, calcium, and bone health.
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