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KMID : 1037820120010010013
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Journal of Pain and Autonomic Disorders
2012 Volume.1 No. 1 p.13 ~ p.18
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Autonomic Control of Cardiovascular System
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Lee Tae-Kyeong
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Abstract
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The autonomic nervous system plays a critical role in regulating the cardiovascular responses to changing internal and external environment. This integrated control of the circulatory system results from the autonomic regulation of vasomotor tone and cardiac function through parasympathetic and sympathetic divisions. Moreover, autonomic nervous system influences on the systemic volume and the peripheral resistance by modulating the release of certain peptide hormones. The central autonomic network is also of importance in harmonizing the diverse inputs from throughout the body and in transmission of efferent activity to the heart and peripheral resistance vessels. Baroreflexes have an important role in maintaining cardiovascular homeostasis by autonomic system. Impairment or derangement of this reflex can result in serious threatens such as orthostatic intolerance and neurocardiogenic syncope. Understanding of autonomic regulation of
cardiovascular system is helpful in managing various neurological and medical diseases.
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KEYWORD
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Autonomic, Cardiovascular system, Baroreflex
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