<Originals>Intracellular chloride ion concentration changes in the crayfish muscle in hyperosmotic high sodium chloride environment
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概要
- 論文の詳細を見る
Male crayfish were acclimatized to 50% concentration artificial sea water (H-ASW), and membrane potentials, chloride, potassium, and sodium ion concentrations were measured. Chloride ion concentrations calculated by the Nernst equation were compared with those obtained with chloride ion-sensitive microelectrodes. The H-ASW acclimatization decreased calculated chloride ion concentration only slightly while that of potassium ion concentration increased nearly one-and-a-half times. This tendency was also parallel to the Cl^- and K^+ concentrations measured directly with the chloride ion-sensitive electrode and flame photometry. With Cl^- sensitive electrodes, it decreased to 0.46 of the control. The cations, K^+ and Na^+ were both increased with H-ASW acclimatization, though the changes were not so distinct. The intracellular chloride ion concentration decreased according to the length of the period to H-ASW acclimatization. These findings suggest that the H-ASW acclimatization yielded chloride ion permeability changes through cell membrane and this is relating to the anionic intracellular circumstance.
- 近畿大学の論文
著者
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Chichibu Shiko
First Department Of Physiology Kinki University School Of Medicine
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Nakanishi Hiromoto
Department Of Basic Acupuncture And Moxibustion Meiji College Of Oriental Medicine
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