Difference between revisions of "Kidney Endocrine Function - Anatomy & Physiology"
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| − | + | ==Overview== | |
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| − | + | The [[Urinary System Overview - Anatomy & Physiology#Upper Urinary Tract|kidney]] synthesises and secretes various products, including [[Hormones - Anatomy & Physiology|hormones]] and enzymes which have a vital role within the body. | |
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| − | The [[Urinary System - Anatomy & Physiology#Upper Urinary Tract| | ||
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!Action | !Action | ||
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| − | | | + | |'''Renin''' |
| − | |This enzyme forms a vital part of | + | |This enzyme forms a vital part of theRenin-Angiotensin-Aldosterone System]], a complex system of hormones and enzymes which act to raise blood pressure when stimulated by hypotension. |
Renin is the enzyme required for the creation of the hormone ''angiotensin''. | Renin is the enzyme required for the creation of the hormone ''angiotensin''. | ||
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| − | | | + | |'''[[Erythropoiesis#Regulation|Erythropoietin]]''' |
| − | |Erythropoeitin is the vital hormone for [[Erythropoiesis| | + | |Erythropoeitin is the vital hormone for [[Erythropoiesis|erythropoeisis]], the production of red blood cells. |
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| − | | | + | |'''[[Calcium#Calcitriol (Active Vitamin D3)|Calcitriol]]''' |
| − | |Also known as ''Active Vitamin D3'', or ''1-25-Dihydroxyvitamin D3'', Calcitriol is vital for [[Calcium | + | |Also known as ''Active Vitamin D3'', or ''1-25-Dihydroxyvitamin D3'', Calcitriol is vital for [[Calcium|calcium homeostasis]], and acts to raise plasma calcium levels. Within the kidney, vitamin D from dietary sources or the skin is 'activated' by hydroxylation. |
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| − | [[Category:Endocrine System]][[Category: | + | ==Renin== |
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| + | A proteolytic enzyme synthesised in the kidney. Renin affects blood pressure indirectly and is part of the first stage of the [[Renin Angiotensin Aldosterone System| renin-angiotensin-aldosterone-system]]. Its effects are through its activation of this system by the conversion of angiotensinogen to angiotensin 1. | ||
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| + | ==Erythropoietin== | ||
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| + | Erythropoietin is a glycoprotein hormone produced in the kidneys in adult life. Its function is beyond the scope of this section and more information can be found on [[Erythropoiesis#Regulation|regulatioon of erythropoiesis]]. | ||
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| + | ==Vitamin D== | ||
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| + | The [[Calcium#Active Vitamin D Synthesis|activation of vitamin D]] is regulated by the kidneys under the influence of another hormone, [[Calcium#Parathyroid Hormone (PTH)|PTH]]. | ||
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| + | {{OpenPages}} | ||
| + | [[Category:Endocrine System - Anatomy & Physiology]][[Category:Kidney - Anatomy & Physiology]] | ||
| + | [[Category:A&P Done]] | ||
Latest revision as of 13:37, 29 June 2012
Overview
The kidney synthesises and secretes various products, including hormones and enzymes which have a vital role within the body.
| Product | Action |
|---|---|
| Renin | This enzyme forms a vital part of theRenin-Angiotensin-Aldosterone System]], a complex system of hormones and enzymes which act to raise blood pressure when stimulated by hypotension.
Renin is the enzyme required for the creation of the hormone angiotensin. |
| Erythropoietin | Erythropoeitin is the vital hormone for erythropoeisis, the production of red blood cells. |
| Calcitriol | Also known as Active Vitamin D3, or 1-25-Dihydroxyvitamin D3, Calcitriol is vital for calcium homeostasis, and acts to raise plasma calcium levels. Within the kidney, vitamin D from dietary sources or the skin is 'activated' by hydroxylation. |
Renin
A proteolytic enzyme synthesised in the kidney. Renin affects blood pressure indirectly and is part of the first stage of the renin-angiotensin-aldosterone-system. Its effects are through its activation of this system by the conversion of angiotensinogen to angiotensin 1.
Erythropoietin
Erythropoietin is a glycoprotein hormone produced in the kidneys in adult life. Its function is beyond the scope of this section and more information can be found on regulatioon of erythropoiesis.
Vitamin D
The activation of vitamin D is regulated by the kidneys under the influence of another hormone, PTH.
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