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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
2
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pubmed:dateCreated |
1972-9-22
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pubmed:abstractText |
1. Electrical stimulation of the spinal nerves in the pithed rat preparation produces a pressor response due to sympathetic vasoconstriction.2. When the vasoconstrictor effect of sympathetic stimulation is abolished by guanethidine or hexamethonium and the blood pressure is raised by noradrenaline infusion, spinal stimulation produces depressor responses or complex responses containing depressor components.3. Contractions of skeletal muscle caused by stimulation of motor nerves result in complex changes in blood pressure consisting of a pressor component due to clamping of muscle blood vessels and a secondary depressor phase due to functional hyperaemia.4. The depressor response is partly due to stimulation of cholinergic postganglionic fibres. The acetylcholine released, which causes vasodilatation, may be the overflow from neuromuscular junctions or ganglionic synapses.5. Stimulation of the nerves to the adrenal medulla causes release of adrenaline which has a vasodilator effect during noradrenaline infusion.
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pubmed:commentsCorrections |
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-13618554,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-13642316,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-4322041,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-4382677,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-4397172,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-5275866,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-5441789,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-5666007,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-5972628,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-6039975,
http://linkedlifedata.com/resource/pubmed/commentcorrection/4505731-6039976
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:chemical |
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pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0007-1188
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
45
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
218-28
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pubmed:dateRevised |
2009-11-18
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pubmed:meshHeading |
pubmed-meshheading:4505731-Adrenalectomy,
pubmed-meshheading:4505731-Animals,
pubmed-meshheading:4505731-Atropine,
pubmed-meshheading:4505731-Blood Pressure,
pubmed-meshheading:4505731-Cordotomy,
pubmed-meshheading:4505731-Dipyridamole,
pubmed-meshheading:4505731-Electric Stimulation,
pubmed-meshheading:4505731-Gallamine Triethiodide,
pubmed-meshheading:4505731-Guanethidine,
pubmed-meshheading:4505731-Hexamethonium Compounds,
pubmed-meshheading:4505731-Neostigmine,
pubmed-meshheading:4505731-Norepinephrine,
pubmed-meshheading:4505731-Propranolol,
pubmed-meshheading:4505731-Rats,
pubmed-meshheading:4505731-Spinal Cord,
pubmed-meshheading:4505731-Tubocurarine
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pubmed:year |
1972
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pubmed:articleTitle |
Depressor responses to spinal stimulation in the pithed rat.
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pubmed:publicationType |
Journal Article
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