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The effects of manganese on aconitine-induced ventricular tachycardia. 锰对乌头碱致室性心动过速的影响。
Archivio di fisiologia Pub Date : 1973-12-01
M Puletti, M Mariani, G F Jacobellis, G Coletti, M A Perego
{"title":"The effects of manganese on aconitine-induced ventricular tachycardia.","authors":"M Puletti,&nbsp;M Mariani,&nbsp;G F Jacobellis,&nbsp;G Coletti,&nbsp;M A Perego","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Isolated rabbit heart with independent perfusion of a small left ventricular area was used to study the effect of manganese ions on aconitine-induced ventricular tachycardia. Manganese chloride 4 mM in Locke solution exhibited a constant preventive or suppressive effect versus aconitum-induced rhythm disorders. It is concluded that the interpretation of aconitine cardiotoxic effects on the sole basis of phase 3 modifications require further evidence, and that an increased diastolic depolarization rate may well explain, at least in this experimental model, the genesis of arrhythmias induced by this drug.</p>","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 3-4","pages":"233-41"},"PeriodicalIF":0.0,"publicationDate":"1973-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15905470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reflex responses of respiratory muscles to tilting and positive pressure breathing. 呼吸肌对倾斜和正压呼吸的反射反应。
Archivio di fisiologia Pub Date : 1973-12-01
J Mortola, G Sant'Ambrogio
{"title":"Reflex responses of respiratory muscles to tilting and positive pressure breathing.","authors":"J Mortola,&nbsp;G Sant'Ambrogio","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>We have recorded the action potentials of muscle fibres of External Oblique in anaesthetized rabbits in supine and horizontal position. During head-up tilting the inspiratory activity is inhibited and the abdominal activity is excited. Both these two responses are reflexly mediated through vagal afferent fibres. The positive pressure was chosen as to determine a shift in end-expiratory volume similar to that induced by the head-up tilting. Also at positive pressure breathing (PPB) the abdominal activity increases but less than during head-up tilting. This result seems to indicate the importante of the proprioceptive afferents of the external oblique during the vertical posture. The blockade of vagal nervous conduction markedly reduces the abdominal activity both during tilting and P.P.B. and similar results are obtained either by \"total\" or \"partial\" vagal blockade. Therefore it seems possible to conclude that both these two reflexes (introduced by head-up tilting and PPB) be due to the activation of the same receptors (pulmonary stretch receptors).</p>","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 3-4","pages":"197-202"},"PeriodicalIF":0.0,"publicationDate":"1973-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15720982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Study on the absorption and utilization of D-galactose and D-glucose by liver and muscular tissue in the albino rat]. [白化大鼠肝脏和肌肉组织对d -半乳糖和d -葡萄糖的吸收利用研究]。
Archivio di fisiologia Pub Date : 1973-12-01
A Concu, F Fadda, G Liguori
{"title":"[Study on the absorption and utilization of D-galactose and D-glucose by liver and muscular tissue in the albino rat].","authors":"A Concu,&nbsp;F Fadda,&nbsp;G Liguori","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In order to compare the disposition of D-galactose and D-glucose in various organs of the rat, we have measured the amount of 14C-galactose and 14C-glucose present in the enteric canal, blood, muscle and liver, 2h. after the oral administration of the labelled esoses. Our results show that the two esoses are ebsorbed almost completely and to the same extent by two hours after their administration, Galactose has a longer half-life than glucose, being more slowly utilized in the synthesis of glycogen in liver and muscle.</p>","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 3-4","pages":"203-6"},"PeriodicalIF":0.0,"publicationDate":"1973-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15905466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Effect of localized pulmonary deformations on alveolar morphology]. 局部肺变形对肺泡形态的影响。
Archivio di fisiologia Pub Date : 1973-06-30
E D'Angelo, S Michelini
{"title":"[Effect of localized pulmonary deformations on alveolar morphology].","authors":"E D'Angelo,&nbsp;S Michelini","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"49"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15896024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cardiovascular and metabolic readjustment to isometric contraction in man. 心血管和代谢对人体等长收缩的调整。
Archivio di fisiologia Pub Date : 1973-06-30
A Veicsteinas, L Dell'Orto, M Fumagalli, P Cerretelli
{"title":"Cardiovascular and metabolic readjustment to isometric contraction in man.","authors":"A Veicsteinas,&nbsp;L Dell'Orto,&nbsp;M Fumagalli,&nbsp;P Cerretelli","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"96-8"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15896371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Susceptibility and habituation to animal hypnosis in intact and decerebrate pigeons]. [完整鸽子和失智鸽子对动物催眠的易感性和习惯化]。
Archivio di fisiologia Pub Date : 1973-06-30
D Musumeci, M Brunelli, G Carli
{"title":"[Susceptibility and habituation to animal hypnosis in intact and decerebrate pigeons].","authors":"D Musumeci,&nbsp;M Brunelli,&nbsp;G Carli","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"77"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15897509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Patterns of discharge of neurons of the posterior group of the thalamus during sleep and consciousness]. [睡眠和意识时丘脑后群神经元放电的模式]。
Archivio di fisiologia Pub Date : 1973-06-30
F Santangelo, S Sapienza, A Urbano, A Viscuso
{"title":"[Patterns of discharge of neurons of the posterior group of the thalamus during sleep and consciousness].","authors":"F Santangelo,&nbsp;S Sapienza,&nbsp;A Urbano,&nbsp;A Viscuso","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"92-3"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15897882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rib-cage and abdomen-diaphragm contribution to ventilation during sleep in man. 肋骨笼和腹横膈膜对人体睡眠时通气的贡献。
Archivio di fisiologia Pub Date : 1973-06-30
J J O'Flaherty, G Sant'Ambrogio, P Mognoni, F Saibene, E Camporesi
{"title":"Rib-cage and abdomen-diaphragm contribution to ventilation during sleep in man.","authors":"J J O'Flaherty,&nbsp;G Sant'Ambrogio,&nbsp;P Mognoni,&nbsp;F Saibene,&nbsp;E Camporesi","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"78-80"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15384637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
[Relation between the neuron discharge in the cat visual areas 17 and 18 and stationary stimulations with variable intensities of light and contrast]. [猫视觉区17和18的神经元放电与可变光强和对比度的固定刺激的关系]。
Archivio di fisiologia Pub Date : 1973-06-30
E Riva Sanseverino, G Galletti, M G Maioli
{"title":"[Relation between the neuron discharge in the cat visual areas 17 and 18 and stationary stimulations with variable intensities of light and contrast].","authors":"E Riva Sanseverino,&nbsp;G Galletti,&nbsp;M G Maioli","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"91"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15897482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Measurement of the pulmonary diffusing capacity for O2 (DO2) by a rebreathing technique in man. 用再呼吸技术测定人肺氧弥散量。
Archivio di fisiologia Pub Date : 1973-06-30
P Cerrtelli, A Veicsteinas, J Teichmann, H Magnussen, J Piiper
{"title":"Measurement of the pulmonary diffusing capacity for O2 (DO2) by a rebreathing technique in man.","authors":"P Cerrtelli,&nbsp;A Veicsteinas,&nbsp;J Teichmann,&nbsp;H Magnussen,&nbsp;J Piiper","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":75547,"journal":{"name":"Archivio di fisiologia","volume":"70 1-2","pages":"45-8"},"PeriodicalIF":0.0,"publicationDate":"1973-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15898222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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