Difference between revisions of "Heart Endocrine Function - Anatomy & Physiology"
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|linktext =Endocrine System | |linktext =Endocrine System | ||
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|Decreases vascular resistance, in the same ways as ANP but is 10x LESS potent. | |Decreases vascular resistance, in the same ways as ANP but is 10x LESS potent. | ||
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Revision as of 12:28, 22 August 2010
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The Heart releases Natriuretic Peptides which act to lower blood pressure and thus work antagonistically to the Renin-Angiotensin-Aldosterone System.
| Hormone | Secreted From | Action |
|---|---|---|
| Atrial Natriuretic Peptide | Atrial Myocytes | Released in response to triggers including atrial stretch, ANP increases sodium and thus water excretion at the kidneys, reducing blood volume and thus pressure. It also inhibits the Renin-Angiotensin Aldosterone System and relaxes arterioles. further reducing systemic blood pressure. |
| B-Type Natriuretic Peptide | Ventricles of the Heart | Decreases vascular resistance, in the same ways as ANP but is 10x LESS potent. |