Results 311 to 320 of about 349,413 (344)
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Adrenergic Innervation and Adrenergic Mechanisms A study of the human urethra
Acta Pharmacologica et Toxicologica, 1978Abstract Adrenergic nerves studied by a histochemical method were uniformly distributed along the whole extent of the male and female urethra. Corresponding to the adrenergic innervation a preponderance of contraction‐mediating alpha‐adrenoceptors was found in vitro studying urethral strips and in vivo recording the urethral closure pressure profile ...
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Adrenergic and Non-Adrenergic, Non-Cholinergic Control of Airways
Respiration, 1986In addition to cholinergic neural mechanisms, airway tone is influenced by adrenergic mechanisms and by more recently described neural mechanisms which are non-adrenergic and non-cholinergic (NANC). Sympathetic innervation to human airways is very sparse and there is no functional adrenergic innervation of smooth muscle, although sympathetic fibres may
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Adrenergic Modulation of Hepatotoxicity
Drug Metabolism Reviews, 1997Summaries of the interactions caused by altering adrenoreceptor activity in conjunction with the administration of selected hepatotoxicants are provided in Table 2 and Fig. 1. These hepatotoxicants can be divided into two groups, one whose toxicity is increased by adrenergic agonist drugs (group I) and the other whose toxicity is decreased by ...
S M, Roberts, R P, DeMott, R C, James
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Adrenergic Modulation of Hematopoiesis
Journal of Neuroimmune Pharmacology, 2019Hematopoiesis produce every day billions of blood cells and takes place in the bone marrow (BM) by the proliferation and differentiation of hematopoietic stem cells (HSC). HSC are found mainly adjacent to the BM vascular sinusoids where endothelial cells and mesenchimal stromal cells promote HSC maintenance by producing a variety of factors. Other cell
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Adrenergic blockade by iproniazid
Experientia, 19551-Isonicotinyl-2-isopropylhydrazin (Iproniazid) blokkiert reversibel den Angriffsort des Adrenalins im Furchgottschen Praparat der Kaninchenaorta. Die Wirkung wird der strukturchemischen Ahnlichkeit zwischen Adrenalin und Iproniazid zugeschrieben.
E C, GRIESEMER +3 more
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New England Journal of Medicine, 1995
Of the three classes of bronchodilators (β2-adrenergic–receptor agonists, methylxanthines, and anticholinergic agents), the β2-adrenergic–receptor agonists produce the greatest bronchodilation in patients with bronchial asthma.1 β2-Adrenergic agonists are generally preferred both for the relief of acute symptoms2,3 and for the prevention of exercise ...
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Of the three classes of bronchodilators (β2-adrenergic–receptor agonists, methylxanthines, and anticholinergic agents), the β2-adrenergic–receptor agonists produce the greatest bronchodilation in patients with bronchial asthma.1 β2-Adrenergic agonists are generally preferred both for the relief of acute symptoms2,3 and for the prevention of exercise ...
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Adrenergic innervation of the capillaries
Bulletin of Experimental Biology and Medicine, 1979Adrenergic nerve fibers of the capillaries devoid of the smooth muscle coat were revealed by Falk's method in the mesentery and the kidney fibrous capsule of dogs after 6 daily noradrenaline infusions and with cardiogenic shock developing against this background.
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Journal of Cardiovascular Pharmacology, 2006
To determine if centrally reducing sympathetic tone with clonidine will reverse the downregulation in the alpha-adrenergic (alphaAR) and beta-adrenergic (betaAR) responses seen with normal aging.Twelve rigorously screened young adult (mean age, 26 years) and 15 older adult (mean age, 69 years) subjects were studied before and after using the clonidine ...
Kenneth M, Madden +2 more
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To determine if centrally reducing sympathetic tone with clonidine will reverse the downregulation in the alpha-adrenergic (alphaAR) and beta-adrenergic (betaAR) responses seen with normal aging.Twelve rigorously screened young adult (mean age, 26 years) and 15 older adult (mean age, 69 years) subjects were studied before and after using the clonidine ...
Kenneth M, Madden +2 more
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Medicine & Science in Sports & Exercise, 1996
The gravity-dependency and age-dependency of noradrenergic vasoconstrictor outflow to skeletal muscle (muscle sympathetic nerve activity; MSNA) in humans was analyzed by applying microneurography technique. The basal level of MSNA in the horizontally supine position increased with aging without significant changes in arterial baroreflex sensitivity ...
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The gravity-dependency and age-dependency of noradrenergic vasoconstrictor outflow to skeletal muscle (muscle sympathetic nerve activity; MSNA) in humans was analyzed by applying microneurography technique. The basal level of MSNA in the horizontally supine position increased with aging without significant changes in arterial baroreflex sensitivity ...
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Adrenergic Transmitter Release
Journal of Vascular Research, 1984Presynaptic release-modulating receptors on sympathetic nerve fibres have been found not only in a great number of animal tissues but also in various human blood vessels. Although basically the same types of receptors are present in animals and man (e.g., inhibitory muscarinic receptors and α<sub>2</sub>-adrenoceptors; facilitatory β ...
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