Titlebook: Excitation-Contraction Coupling in Skeletal, Cardiac, and Smooth Muscle; George B. Frank,C. Paul Bianchi,Henk E. D. J. Keur Book 1992 The

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Empirische Ergebnisse und Diskussion,ctional variety of their muscles differing, particularly, in their mode of activation. In vertebrate twitch muscles a crucial step in excitation- contraction (E-C) coupling concerns the mechanisms whereby the electrical activity of the T-tubular membrane (TTM) induces the release of Ca. from the sar

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Leonid Nossov,Hanno Ernst,Victor Chupis. by added norepinephrine (NE) were examined in the rabbit aortic media-intimal layer. Uptake of .Ca at cellular high affinity sites was decreased by Mg. much more than .Mg uptake was altered by Ca.. Substitution of Na. affects .Ca uptake primarily at extracellular (La.-accessible) binding sites. Mu

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Formalin-Fixed Paraffin-Embedded Tissuesscle cells are universally endowed with a lot of L-type, dihydropyridine-sensitive voltage-dependent Ca. channels and various kinds of K. channels. Actually, Ca. conductances are increased by membrane depolarization causing Ca. influx and subsequent contraction.

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Mit Formeln und Strukturen umgehene) the appearance of a lot of molecules and processes vital for the cell: T system formation and sarcotubular organization, contractile proteins arrangements, voltage-dependent calcium channels, sarcoplasmic reticulum Ca-ATPase, junctional nicotinic receptor (see reviews from Schneider and Olson, 19

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metric tetanus. Crosssectional area and volume of the middle third of a fiber increased rapidly with the development of active tension, which indicates that contraction produced components of force perpendicular to the long axis. The extreme ends are known to shorten whether or not the middle of a f

endocardium

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osteocytes