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| # As ionised calcium - normal levels are 1.13-1.33 mmol/l. This is the biologically active form. | | # As ionised calcium - normal levels are 1.13-1.33 mmol/l. This is the biologically active form. |
| areful sample handling and prompt measurement are essential for reliable results which can also be affected by acid-base disturbances | | areful sample handling and prompt measurement are essential for reliable results which can also be affected by acid-base disturbances |
| + | |
| + | ==Serum Calcium Abnormalities== |
| + | #Raising Blood Calcium level occurs by: |
| + | #*Increased PTH concentration |
| + | #*Increased Active Vitamin D3 |
| + | #Lowering Blood Calcium level occurs by: |
| + | #*Decreased PTH |
| + | #*Reduced Vitamin D activation |
| + | #*Calcitonin inhibits calcium mobilisation from bone |
| | | |
| ==Calcium Homeostasis== | | ==Calcium Homeostasis== |
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| *Slow Phase - puts calcium into bone by reducing formation of new osteoclasts. | | *Slow Phase - puts calcium into bone by reducing formation of new osteoclasts. |
| There are also slight (insignificant) effects on the kidney and [[Alimentary System Overview - Anatomy & Physiology|GIT]]. | | There are also slight (insignificant) effects on the kidney and [[Alimentary System Overview - Anatomy & Physiology|GIT]]. |
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| |
− | ==Summary==
| |
− | #Raising Blood Calcium level occurs by:
| |
− | #*Increased PTH concentration
| |
− | #*Increased Active Vitamin D3
| |
− | #Lowering Blood Calcium level occurs by:
| |
− | #*Decreased PTH
| |
− | #*Reduced Vitamin D activation
| |
− | #*Calcitonin inhibits calcium mobilisation from bone
| |
| | | |
| ==Test yourself with the Calcium Homeostasis Flashcards== | | ==Test yourself with the Calcium Homeostasis Flashcards== |
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| [[Calcium_Homeostasis_Flash_Cards_-_Anatomy_%26_Physiology|Calcium Homeostasis Flashcards]] | | [[Calcium_Homeostasis_Flash_Cards_-_Anatomy_%26_Physiology|Calcium Homeostasis Flashcards]] |
| [[Category:Electrolytes]] | | [[Category:Electrolytes]] |
| [[Category:Endocrine System - Anatomy & Physiology]] | | [[Category:Endocrine System - Anatomy & Physiology]] |