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心筋のBa誘発自動能に見いだされた過剰興奮期と新しい膜電流(食物栄養学科編)
https://nakamura-u.repo.nii.ac.jp/records/1851
https://nakamura-u.repo.nii.ac.jp/records/185127a04e5b-824d-4171-81d2-838d5fd5e9cd
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
KJ00000735133.pdf (1.1 MB)
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| アイテムタイプ | [ELS]紀要論文 / Departmental Bulletin Paper(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2017-03-14 | |||||
| タイトル | ||||||
| タイトル | 心筋のBa誘発自動能に見いだされた過剰興奮期と新しい膜電流(食物栄養学科編) | |||||
| タイトル | ||||||
| タイトル | A Supernormal Period and a Novel Membrane Current Found in Ba-induced Pacemaker Activity of Myocardium (Division of Food and Nutrition) | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | departmental bulletin paper | |||||
| 雑誌書誌ID | ||||||
| 収録物識別子タイプ | NCID | |||||
| 収録物識別子 | AN0017924X | |||||
| 著者 |
後藤, 昌義
× 後藤, 昌義× 萩尾, 香× 水上, 令子× Goto, Masayosi× Hagio, Kaoru× Minakami, Reiko |
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| 著者所属(日) | ||||||
| 値 | 中村学園大学・短期大学食物栄養学科 | |||||
| 著者所属(日) | ||||||
| 値 | 中村学園大学・短期大学食物栄養学科 | |||||
| 著者所属(日) | ||||||
| 値 | 中村学園大学・短期大学食物栄養学科 | |||||
| 抄録(英) | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | The excitability recovery characteristics and membrane voltage and current during the diastolic period in Ba-induced pacemaker activity were examined in the bullfrog atrial muscle by means of double sucrose-gap techniques. The afterhyperpolarization, facilitating the deactivation of the delayed outward current (I_x), steepened the slope of phase 4 depolarization. This and concomitant increase in membrane resistance and electrotonic potential during the depolarization produced an increase in electrical excitability. A supernormal period in excitability was elucidated at the later phase of the diastolic slow depolarization. The possible causes were, (a) an appearance of specific inward current related to electrogenic Na-Ca exchange which superimposed on the tail of I_x, (b) a presence of the transient inward current (I_<TI>), and (c ) a biphasic recovery of the slow inward current (I_<si>) at the later phase of the pecemaker depolrization. Depolarization-induced pacemakers, perhaps the true pacemaker in the S-A node as well, may well utilize the supernormal excitability in sustaining automaticity. | |||||
| 書誌情報 |
中村学園研究紀要 en : Bulletin of Nakamura Gakuen University and Nakamura Gakuen Junior College 巻 19, 発行日 1987-03-31 |
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| 表示順 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 23 | |||||
| アクセション番号 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | KJ00000735133 | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 02887312 | |||||
