..., net power tended to increase with contraction rate up to the highest rates that the myocardium could sustain ( Fig. 3 , Table 4 ). (2) In all groups, maximal relative ( Fig. 3 ) and mass-specific ( Table 4 ) net power first increased, but then attained a maximum and did not then fall as test...

...Elizabeth F. Johnston; Todd E. Gillis ABSTRACT Cold acclimation of rainbow trout, Oncorhynchus mykiss , causes collagen to increase within the extracellular matrix (ECM) of the myocardium, while warm acclimation has the opposite effect. The mechanism responsible for this remodelling response...

...Lindsay D. Waldrop; Laura A. Miller ABSTRACT Tunicates, small invertebrates within the phylum Chordata, possess a robust tubular heart which pumps blood through their open circulatory systems without the use of valves. This heart consists of two major components: the tubular myocardium, a flexible...

... the cardiac muscle of 10°C-acclimated adult fish (MYH card ). MYH card mRNA was first detected at 61 h.p.f., but strong signals were only observed in the adult myocardium. The present study has therefore revealed a complex pattern of expression of MYH genes in relation to developmental stage, muscle type...

... levels of winter quiescence. Comp. Biochem. Physiol. A 134 , 159 -167. Davie, P. S. and Farrell, A. P. ( 1991 ). The coronary and luminal circulations of the myocardium of fishes. Can. J. Zool. 69 , 1993 -2001. Davie, P. S. and Thorarensen, H. ( 1997 ). Heart growth in rainbow trout...

... Myocardium oxygen consumption hypoxia J. exp. Biol. 117, 237-250 (1985) 2 3 7 Printed in Great Britain © The Company ofBiobgists Limited 1985 MYOCARDIAL OXYGEN CONSUMPTION IN THE SEA RAVEN, HEMITRIPTERUS AMERICANUS: THE EFFECTS OF VOLUME LOADING, PRESSURE LOADING AND PROGRESSIVE HYPOXIA BY A. P. FARRELL...