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cardiac reflex |
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cardiac reflex Etymology: L, reflectere, to bend back a neural mechanism that automatically increases or reduces the heart rate. Stimulation of stretch receptors in the right side of the heart by increased venous return increases the heart rate, whereas increased arterial blood pressure stimulates nerve endings in the carotid sinus and aortic arch to reduce the heart rate. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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