Results 261 to 270 of about 67,649 (311)
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Relaxation of diaphragm muscle
Journal of Applied Physiology, 1999Relaxation is the process by which, after contraction, the muscle actively returns to its initial conditions of length and load. In rhythmically active muscles such as diaphragm, relaxation is of physiological importance because diaphragm must return to a relatively constant resting position at the end of each contraction-relaxation cycle.
C, Coirault, D, Chemla, Y, Lecarpentier
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Science, 1981
The costal and crural parts of the diaphragm were separately stimulated in anesthetized dogs. Stimulation of the costal part increased the dimensions of the lower rib cage, whereas stimulation of the crural part decreased the dimensions of the lower rib cage.
De Troyer, André +3 more
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The costal and crural parts of the diaphragm were separately stimulated in anesthetized dogs. Stimulation of the costal part increased the dimensions of the lower rib cage, whereas stimulation of the crural part decreased the dimensions of the lower rib cage.
De Troyer, André +3 more
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Hypothyroidism alters diaphragm muscle development
Journal of Applied Physiology, 1996Sieck, Gary C., Louise E. Wilson, Bruce D. Johnson, and Wen-Zhi Zhan. Hypothyroidism alters diaphragm muscle development. J. Appl. Physiol. 81(5): 1965–1972, 1996.—The impact of hypothyroidism (Hyp) on myosin heavy chain (MHC) isoform expression, maximum specific force (Po), fatigability, and maximum unloaded shortening velocity ( Vo) was determined in
G C, Sieck +3 more
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Functional acetylcholinesterase of rat diaphragm muscle
Biochemical Pharmacology, 1971Abstract Surface (external) acetylcholinesterase (AChE) and internal AChE of rat diaphragm muscle were assayed separately with radioactive acetyl-β-methylcholine (MeCh) or acetylcholine (ACh) on the intact muscle in vitro and on the muscle homogenate.
T W, Mittag, S, Ehrenpreis, R M, Hehir
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Muscle spindles in the rat diaphragm
Experientia, 1965Elektrophysiologische Registrierungen afferenter Impulse des Nervus phrenicus aus dem isolierten Rattenzerchfell wurden durch eine histologische Untersuchung des Zwerchfelles unterbaut. Das Vorkommen von durchschnittlich 3 Muskelspindeln in jeder Zwerchfellhalfte wurde nachgewiesen.
J A, Barstad +3 more
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Choline ester hydrolases in diaphragm muscle
Biochemical Pharmacology, 1971Abstract By the use of centrifugal fractionation, specific substrates and selective inhibitors evidence was obtained that the diaphragm muscle of guinea pig, man and rat contain both soluble and particulate acetylcholinesterase (EC 3.1.1.7) and a soluble cholinesterase (EC 3.1.1.8).
W K, Berry, J P, Rutland
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Sarcomere relaxation in hamster diaphragm muscle
Journal of Applied Physiology, 1996We characterized instantaneous sarcomere relaxation over the load continuum in isolated hamster diaphragm muscles by means of laser diffraction. In afterloaded twitches, sarcomere relaxation displayed two consecutive phases. The bulk of sarcomere lengthening occurred during the first phase and corresponded in time to muscle lengthening.
C, Coirault +4 more
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Monosaccharide Transport in Rat Diaphragm Muscle
Nature, 1959THE passage of glucose across the muscle cell membrane appears to be a major site for regulation of glucose uptake in this tissue. Accelerating effects on glucose uptake both of insulin and of factors such as anoxia which inhibit oxidative phosphorylation appear to result in skeletal and cardiac muscle from an enhanced rate of transfer of the sugar ...
F C, BATTAGLIA, P J, RANDLE
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2019
The diaphragm muscle (DIAm) is embryologically derived from the mesoderm, with the muscular and tendonous portions having a composite origin. The mechanical actions of the DIAm are as complex as its multiple sites of origin and insertion. In the DIAm, the final element of neural control is the motor unit, comprising a motoneuron and the muscle fibers ...
Gary C. Sieck, Y. S. Prakash
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The diaphragm muscle (DIAm) is embryologically derived from the mesoderm, with the muscular and tendonous portions having a composite origin. The mechanical actions of the DIAm are as complex as its multiple sites of origin and insertion. In the DIAm, the final element of neural control is the motor unit, comprising a motoneuron and the muscle fibers ...
Gary C. Sieck, Y. S. Prakash
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THE DIAPHRAGM AND RESPIRATORY MUSCLES
Chest Surgery Clinics of North America, 1998This article describes the functional anatomy of the muscles that contribute to the generation of ventilatory pressures. The physiologic principles that guide their function are analyzed, and their composition and metabolism are described, inasmuch as this affects their adaptation and capacity to face acute and chronic loads. Special emphasis is placed
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