Results 301 to 310 of about 313,122 (329)
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The sympathetic nervous system and atherosclerosis
Journal of Neurosurgery, 1987✓ Morphometric and chemical changes in the arterial wall were studied after 12 months of diet-induced atherosclerosis in rhesus monkeys treated with either bilateral surgical thoracic sympathectomy or propranolol. There was a marked reduction in the progression of atherosclerosis in the carotid arteries and a moderate reduction in the disease found in ...
Draga Vesselinovitch +5 more
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Surgery of the Sympathetic Nervous System
The Journal of Spinal Cord Medicine, 1996This article reviews the innervation of the arterial system of the lower extremity, lumbar sympathectomy in vascular surgery, lumbar sympathectomy for digital gangrene and in the prevention of major amputation of the lower extremity and substance P's role in neurogenic inflammatory modulation.
Aquino-Chu G +3 more
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Be sympathetic to your nervous system
Journal of Applied Physiology, 2012the influence of the sympathetic nervous system in the regulation of cardiovascular function has been recognized since antiquity. Early reports of the so called “vegetative nervous system” were based largely on anatomical observations ([1][1]).
Kaushik P. Patel +2 more
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Southern Medical Journal, 1994
Both aging and exercise are associated with alterations in regulation of catecholamines. With aging, elevated circulating catecholamines at rest and after stress may result in increased sympathetic nervous system activity. The ability of the catecholaminergic system of older subjects to respond and adapt to environmental challenges is altered during ...
N T, Scarpace, D T, Lowenthal
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Both aging and exercise are associated with alterations in regulation of catecholamines. With aging, elevated circulating catecholamines at rest and after stress may result in increased sympathetic nervous system activity. The ability of the catecholaminergic system of older subjects to respond and adapt to environmental challenges is altered during ...
N T, Scarpace, D T, Lowenthal
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Renin and the Sympathetic Nervous System
1974Fig. 1, from a review by Davis [1], is shown as a useful frame of reference to indicate the two basic mechanisms which have alternatively been suggested as responsible for stimulating the juxtaglomerular apparatus to secrete or release renin. The so-called stretch-receptor or baroceptor hypothesis, first advanced by Tobian [2] and by Skinner, McCubbin ...
A. Stella, A. Zanchetti
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Peptides and the sympathetic nervous system
Pharmacological Research Communications, 1969Several workers have observed that under certain conditions kinins, although acting directly on blood vessels causing vasodilatation to produce hypotension, sometimes increase arterial blood pressure as well. Croxatto, Belmar, Pereda and Labacea (1962) reported such an effect when bradykinin was injected into rats with low blood pressure. These authors
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The sympathetic nervous system and cancer
Experimental Neurology, 1974Abstract A chemically induced, transplantable rat tumor took and grew at all sites but when conjugated with phosphorylcholine appeared to alter its antigenic configuration in such manner as to grow at sites of immunological privilege only. After chemical sympathectomy, the previously tumor-resistant tissues became receptive to grafts of tumor ...
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The Sympathetic Nervous System in Hypertension
2018It has been clearly shown that adrenergic tone has a primary role in blood pressure control due to the regulatory effects on cardiac output and systemic vascular resistance. Several mechanisms, both at central and peripheral levels, participate in this control exerted by the sympathetic nervous system.
Seravalle G., Mancia G., Grassi G.
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Antihypertensive Drugs and the Sympathetic Nervous System
Journal of Cardiovascular Pharmacology, 2007Hypertension has been associated with several modifications in the function and regulation of the sympathetic nervous system (SNS). Although it is unclear whether this dysfunction is primary or secondary to the development of hypertension, these alterations are considered to play an important role in the evolution, maintenance, and development of ...
DEL COLLE S +7 more
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Immunoregulation mediated by the sympathetic nervous system, II
Cellular Immunology, 1979Abstract The effect of acute immunization or continuous environmental antigenic exposure on nor-adrenaline (NA) content of rat lymphoid organs was studied. Immunization with sheep red blood cells resulted in a decrease in splenic NA content. In other experiments, NA levels were determined in lymphoid and nonlymphoid organs of SPF rats exposed to ...
Besedovsky, H O +4 more
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