... of the leading pacemaker site to other points near the SAV. The ionic currents of most of the cardiomyocytes isolated enzymatically from the SAV region resembled those of typical working myocytes from the sinus venosus. However, seven cells lacked the background inward rectifier current ( I K1 ) and had a time...

... for correspondence ( r.meech@bristol.ac.uk ) Competing interests The author declares no competing or financial interests. © 2015. Published by The Company of Biologists Ltd 2015 Cnidaria Ctenophores Electrogenesis Ion channel Ionic currents Sponges It is evident that many of the ion...

... Muscarinic receptors Fish heart Atrial myocytes Ionic currents I KACh Cardiac contractility is adjusted to circulatory demands on a beat-to-beat basis by the interaction of sympathetic and parasympathetic nervous systems via β-adrenergic receptors and muscarinic (M 2 ) cholinergic receptors...

... requests: AFRC, Institute of Animal Physiology and Genetics Research, Cambridge Research Station, Babraham, Cambridge CB2 4AT, UK. 23 2 1993 © 1993 by Company of Biologists 1993 Periplaneta americana cockroach DUM neurone in vitro ionic currents In this paper we...

... . New Jersey : Humana Press . Pichon , Y. , Poussart , D. & Lees , G. V. ( 1983 ). Membrane ionic currents, current noise, and admittance in isolated cockroach axons . In Structure and Function in Excitable Cells (ed. D. C. Chang , I. Tasaki , W. J. Adelman...

...José R. Lemos; Jean J. Nordmann ABSTRACT Although there is considerable evidence that depolarization of nerve cell terminals leads to the entry of Ca 2+ and to the secretion of neurohormones and neurotransmitters, the details of how ionic currents control the release of neuroactive substances from...