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| ==Overview== | | ==Overview== |
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− | Phosphorus is the third most abundent intracellular ion: | + | Phosphorus is the third most abundant intracellular ion: |
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| 1. Potassium | | 1. Potassium |
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| ==Homeostasis== | | ==Homeostasis== |
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− | Serum concentrations of phosphorus are maintained by dietary sources. It is absorbed across the intestine via ''Passive diffusion'' and ''[[Calcium#Calcitriol (Active Vitamin D3)|Vitamin D]] mediated active transport''. Phosphorus is excreted in the urine or saliva (particularly in ruminants). | + | Serum concentrations of phosphorus are maintained by dietary sources. It is absorbed across the intestine via ''passive diffusion'' and ''[[Calcium#Calcitriol (Active Vitamin D3)|vitamin D]] mediated active transport''. Phosphorus is excreted in the urine or saliva (particularly in ruminants). |
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| ===Hormonal Regulation=== | | ===Hormonal Regulation=== |
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| [[Calcium#Calcitriol (Active Vitamin D3)|'''Calcitriol''']] | | [[Calcium#Calcitriol (Active Vitamin D3)|'''Calcitriol''']] |
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− | Calcitriol increases phosphorus absorbtion from the intestines. | + | Calcitriol increases phosphorus absorption from the intestines. |
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| ==Pathology== | | ==Pathology== |
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| Diseases relating to phosphorus homeostasis include: | | Diseases relating to phosphorus homeostasis include: |
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− | 1. [[Bones Metabolic - Pathology#Primary hyperparathyroidism |Primary and Secondary Hyperparathyroidism]] | + | 1. [[Hyperparathyroidism |Primary and Secondary Hyperparathyroidism]] |
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− | 2. [[Kidney Renal Failure - Pathology#Uraemia |Hyperphosphataemia]] | + | 2. Hyperphosphataemia |
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| 3. Hypophosphatemia | | 3. Hypophosphatemia |
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− | ==Links==
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− | Click here for the [[Phosphorus_Homeostasis_Flash_Cards_- Anatomy & Physiology|phosphorus homeostasis flashcards]].
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| + | |flashcards = [[Phosphorus_Homeostasis_Flash_Cards_- Anatomy & Physiology|Phosphorus homeostasis]]. |
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| [[Category:Endocrine System - Anatomy & Physiology]] | | [[Category:Endocrine System - Anatomy & Physiology]] |
| [[Category:Electrolytes]] | | [[Category:Electrolytes]] |
− | [[Category:To Do - AimeeHicks]][[Category:To Do - Review]] | + | [[Category:A&P Done]] |
| + | [[Category:Minerals]] |