Friday 17 June 2011

calcium metabolism

important part 1 question
basically calcium metabolism controlled by
- 3 main hormones: 1-25-dehydrocholecalciferol (DHCC), PTH and calcitonin
- other associated hormones: growth hormone, glucocorticoid, estrogen, thyroxine, insulin and IGF (insulin growth factor)

calcium sources are from:
- GIT absorption, renal absorption
- bone resoption and deposition

calcium in blood/ serum has 2 forms
- free calcium
- bound to protein/ albumin

do remember the formula of how to count corrected calcium
- [Ca] + 0.02(40-alb)

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