Results 261 to 270 of about 226,605 (286)
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1986
The sinoatrial (SA) node, within which the pacemaker normally resides, contains nodal cells, transitional cells, and intercalated clear cells arranged into a well-defined mass. The location and extent of the SA node varies slightly between mammalian species.
Enrico D. Canale +3 more
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The sinoatrial (SA) node, within which the pacemaker normally resides, contains nodal cells, transitional cells, and intercalated clear cells arranged into a well-defined mass. The location and extent of the SA node varies slightly between mammalian species.
Enrico D. Canale +3 more
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Physical Review B, 1973
We have calculated numerically the conductivity of a system of random points connected by conductances that decrease exponentially with the separation distance. We compare critically various methods that have been proposed to solve the problem of hopping conduction in amorphous semiconductors and observe that the numerical results can be quantitatively
V. Ambegaokar +2 more
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We have calculated numerically the conductivity of a system of random points connected by conductances that decrease exponentially with the separation distance. We compare critically various methods that have been proposed to solve the problem of hopping conduction in amorphous semiconductors and observe that the numerical results can be quantitatively
V. Ambegaokar +2 more
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Conductivity of nonuniform systems
Journal of Engineering Physics, 1979Percolation theory and methods of generalized conduction theory are used to construct a model of a heterogeneous system and to determine the effective conductivity.
G. N. Dul'nev, V. V. Novikov
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Cardiac Conduction System Pacing
JACC: Clinical Electrophysiology, 2023The field of cardiac pacing has changed rapidly in the last several years. Since the initial description of His bundle pacing targeting the conduction system, recent advances in pacing the left bundle branch and its fascicles have evolved. The field and investigators' knowledge of conduction system pacing including relevant anatomy and physiology has ...
Vijayaraman, Pugazhendhi +15 more
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Bulk Conductivity vs "Surface" Conductivity in Heterogeneous Systems
ECS Meeting Abstracts, 2009Abstract not Available.
Renaud Bouchet +3 more
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Abstract The cardiac conduction system is a specialized collection of cells that generate and propagate action potentials throughout the heart in order to facilitate the synchronized contraction of myocardium. The system consists of the sinoatrial (SA) node, the atrioventricular (AV) node, and the His-Purkinje system. The SA node acts as
Robert Pellicer, Alaa Abd-Elsayed
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Robert Pellicer, Alaa Abd-Elsayed
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Thermal Conductivity: XIV, Conductivity of Multicomponent Systems
Journal of the American Ceramic Society, 1959The thermal conductivity of a number of multi‐component systems has been determined as a function of composition and temperature. These were silicate glasses, MgO‐NiO, Al 2 O 3 ‐Cr 2 O 3
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2014
The anatomy of cardiac conduction system and genetic mutations that have been associated with conduction disease are discussed.
Demosthenes G. Katritsis +2 more
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The anatomy of cardiac conduction system and genetic mutations that have been associated with conduction disease are discussed.
Demosthenes G. Katritsis +2 more
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Cardiac Conduction System Development
2001A rhythmic heart beat is coordinated by pacemaking impulses generated and conducted through the excitation-conduction system. The physiologic, anatomic, and cellular characteristics of this specialized cardiac tissue have been studied in great detail in the last decades.
Takashi Mikawa +3 more
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