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The Effects of the Sympathetic Nervous System on Accommodation
Archives of Ophthalmology, 1972The effects of beta sympathetic drugs on positive accommodation (accommodation for near vision) were studied in vervet monkeys. Isoproterenol, a beta sympathetic stimulator, depressed the positive accommodation function. It was not a complete antagonist since 3 to 4 diopters of accommodation remained.
B S, Hurwitz +3 more
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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 ...
T, Lichtor +5 more
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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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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.
B Y, Lee +3 more
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The Sympathetic Nervous System in Hypertension
Clinical and Experimental Hypertension. Part A: Theory and Practice, 1984Sympathetic drive can contribute not only to the acute adjustment to circulatory stresses but also to sustained elevation in vascular resistance and arterial pressure. In hypertensive animals and humans excessive sympathetic activity coupled with a possible genetic factor may result in defects in electrogenic ion transport of vascular muscle or in ...
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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, Zanchetti, A, Stella
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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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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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2023
Abstract The sympathetic nervous system combines with the parasympathetic system to form the autonomic nervous system, and together they help control bodily functions that are unconsciously directed. The sympathetic nervous system (SNS) extends throughout the whole body and allows the body to prepare for physical activity necessary in ...
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Abstract The sympathetic nervous system combines with the parasympathetic system to form the autonomic nervous system, and together they help control bodily functions that are unconsciously directed. The sympathetic nervous system (SNS) extends throughout the whole body and allows the body to prepare for physical activity necessary in ...
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Sympathetic Nervous System and Hypertension
1974The role of the sympathetic nervous system in the pathogenesis of essential human hypertension is not yet established [6, 7, 10, 11, 25, 36]. In spite of this the majority of drugs currently used in the treatment of human hypertension act by modifying peripheral and/or central adrenergic mechanisms [27].
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