書誌事項
- タイトル別名
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- CO2 Dissociation Curve at Steady State in Vivo
- 定常空気呼吸時の血液中CO_2含量とCO_2分圧の関係
- テイジョウ クウキ コキュウジ ノ ケツエキチュウ CO_2 ガンリョウ ト CO_2 ブンアツ ノ カンケイ
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論文(Article)
The CO_2 content in blood ([CO_2]) depends not only on PCO_2, but also on the O_2 saturation ([SO_2]). Since SO_2 changes in parallel with [CO_2] in capillary blood ([CO_2]^* ) at steady state, the slope of [CO_2]^* against PCO_2 becomes steeper than that of [CO_2] measured in oxygenated or deoxygenated blood. In the preceding paper it was made clear that the change in [CO_2] due to that in SO_2 (i.e., the Haldane effect, [CO_2]_HE) became proportional to the respiratory quotient (RQ). Since the ratio of the arterial-venous (a-v) difference in SO_2 (av [SO_2]) to that in [CO_2]^* (av[CO_2]^*) was in inverse pro-portion to the RQ, the ratio of the a-v difference in [CO_2]_HE (av[CO_2]_HE) to av[CO_2]^* became constant irrespective of the RQ. Designating the PCO_2 dependent component of [CO_2] except for [CO_2]_HE by [CO_2]_P , the ratio av[CO_2]_P/[CO_2]^* also became constant. Thus, using [CO_2]_P measured in oxygenated blood in vitro, [CO_2]^* could be expressed by an exponential function of PCO_2 Key words : Carbonic anhydrase, O_2 saturation, Haldane effect, Respiratory quotient, Va/Q ratio
収録刊行物
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- 山形大学紀要. 医学 : 山形医学 = Bulletin of the Yamagata University. Medical science : Yamagata medical journal
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山形大学紀要. 医学 : 山形医学 = Bulletin of the Yamagata University. Medical science : Yamagata medical journal 22 (1), 25-28, 2004-02-16
山形大学
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詳細情報 詳細情報について
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- CRID
- 1050001338486277632
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- NII論文ID
- 110000987557
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- NII書誌ID
- AN00067279
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- ISSN
- 0288030X
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- NDL書誌ID
- 6907705
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- 本文言語コード
- en
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles