Brief overview on the studies on the cardiac nervous system - Dissertation Example

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Brief overview on the studies on the cardiac nervous system

As will be detailed below, histochemistry has played a major role in the study of cardiac nervous system. However, it is recognized that the only way to ascertain whether the inactivity or overdrive of a particular cardiac nerve plays a role in disease development and/or progression, for example blood pressure elevation, is through long-term prospective studies, which necessitates observation of hypertensive patients without any pharmacologic treatment (Grassi, 2010). Aside from the ethical issues of such studies, their feasibility demands extensive financial investment. Morphology of the cardiac nervous system As in any organ, the heart’s control comes from the central nervous system, the brain and the spinal cord. This part of the literature review looks at the cardiac innervation, starting from the central nervous system up to its final tributaries in the heart. 1. Sympathetic impulse from the central nervous system It has been shown that sodium sensors of the lamina terminalis at the anterior wall of the third ventricle is important in responding to changes in brain [Na+], which is sensitive to changes in intravascular fluid and partly to heart activity. ...Show more

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Literature Review Brief Overview of Studies on the Cardiac Nervous System The heart was initially thought as an insensate organ (Fu & Longhurst, 2009). Studies on the anatomy of human intrinsic cardiac nervous system have been conducted for almost 85 years…
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