書誌事項
- タイトル別名
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- Effects of morphine on evoked potential recorded from pain-afferent pathways.
- Morphine ノ ツウカク キュウシンロ ニ タイスル エイキョウ
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Effects of morphine (1mg/kg i.v.) were examined on evoked potential of somatosensory afferent pathways elicited by tooth pulp stimulation in cats. Results were as follows: In central gray (CG) of the midbrain which has a triphasic evoked potential with a short latency, morphine decreased the amplitude. In nucl. lateralis posterior(LP) and nucl. medialis dorsalis(MD) of the thalamus, association relay nuclei, which have a late component followed by a fast component with a relatively short latency, morphine decreased the amplitude of the late component but not that of fast component of the evoked potential. In nucl. centralis lateralis(CL) of the thalamus, intralaminar nuclei, and pre-central association area(PCA) of the cortex, which have monophasic and triphasic evoked potentials with a long latency, respectively, morphine markedly decreased the amplitude of both evoked potentials. In nucl. ventralis posteromedialis(VPM) and somatic sensory area I (SI), lemniscal system, which has biphasic and mutiphasic evoked potentials with a short latency, respectively, morphine had no effect on the these evoked potentials. As these depressant effects of morphine on evoked potentials were antagonized by naloxone (0.2mg/kg i.v.), a specific morphine action is suggested.
収録刊行物
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- 日本薬理学雑誌
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日本薬理学雑誌 73 (5), 625-631, 1977
公益社団法人 日本薬理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204271613312
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- NII論文ID
- 130000758797
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- NII書誌ID
- AN00198335
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- COI
- 1:CAS:528:DyaE1cXhsVKjtL4%3D
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- ISSN
- 13478397
- 00155691
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- NDL書誌ID
- 1836730
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- PubMed
- 924269
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可