Meretrix心臓に及ぼすFormalin,Veratrineの作用
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概要
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Influence of formalin and veratrine on the cardiac functions of Meretrix lusoria (sea clam) was studied by the suspension method of Engelman. Artificial sea water was prepared in accordance with Allen's prescription.<BR>Application of 0.175% formalin solution caused the development of chronotropically negative action and the diastolic cessation of the heart beat in the end.<BR>Veratrine solution of 0.01% caused the elevation of the tonus of cardiac muscles and finally the cessation of heart beat in the systolic state.<BR>While, it was ascertained that the heart of Bufo ceased to beat in half contracted state by the action of formalin solution which is an eminent difference in the cardiac functions between Meretrix and Bufo.
- 学校法人 昭和大学・昭和医学会の論文