... in rainbow trout is due to atrio-ventricular block, an outcome from the opposite effects of temperature on depolarizing sodium (source) current and repolarizing potassium (sink) current of ventricular myocytes. Fish heart Electrocardiogram Cardiac arrhythmia Sodium current Chronaxie Rheobase...

... elongation for prey capture through excitation by sodium-based action potentials; the slower obliquely striated arm muscle fibers do not produce action potentials or elongation. Calcium current Cephalopod muscle Current clamp Patch clamp Sodium current Voltage clamp Contractile properties...

... impulse propagation and associated arrhythmias. Physiol. Rev. 84 , 431 -488. Li, G. R., Lau, C. P. and Shrier, A. ( 2002 ). Heterogeneity of sodium current in atrial vs. epicardial ventricular myocytes of adult guinea pig hearts. J. Mol. Cell Cardiol. 34 , 1185 -1194. Marionneau, C...

... in supporting the variable life styles and habitat conditions of each species. * Author for correspondence (e-mail: matti.vornanen@joensuu.fi ) 20 5 2004 © The Company of Biologists Limited 2004 2004 fish heart thermal acclimation sodium current Carassius carassius Oncorhynchus...

..., R. H. and Marshall, M. W. ( 1977 ). Sodium currents in mammalian muscle. J. Physiol. 268 , 223 -250. Adrian, R. H. and Bryant, S. H. ( 1974 ). On the repetitive discharge in myotonic muscle fibres. J. Physiol. 240 , 505 -515. Adrian, R. H., Chandler, W. K. and Hodgkin, A. L. ( 1970...

... recordings from cultured cells revealed that these cells possess a variety of ionic currents, including a fast transient sodium current, a calcium current and several potassium currents. The sodium current does not inactivate completely but instead decays to a steady-state component which has the same...

... capillata neurones may account for some of their unusual physiological and pharmacological properties. © 1993 by Company of Biologists 1993 jellyfish gangliosides phospholipids sterols sodium current Cyanea capillata Cnidarians are the lowest extant organisms to possess...

... filled with Cs + /TEA + patch solution. 3 6 1987 © 1987 by Company of Biologists 1987 cnidocytes Cnidaria voltage-clamp sodium current potassium current Cnidocytes, the major diagnostic feature of members of the phylum Cnidaria, are unique cells. For this reason...

... by the fact the these data were obtained using Na + concentration rather than Na + activity, which would have given a more realistic measure of available Na + , particularly at the higher concentrations. 9 7 1987 © 1987 by Company of Biologists 1987 sodium current calcium current...