Results 271 to 280 of about 98,011 (316)

Intracellular bicarbonate in single skeletal muscle fibers

Pfl�gers Archiv European Journal of Physiology, 1974
This is the first direct potentiometric determination of intracellular bicarbonate concentration. The new method involves the use of a double-barrelled HCO3 −-selective liquid ion-exchange microelectrode that permits the simultaneous determination of intracellular [HCO3 −] and membrane PD of single cells.
R N, Khuri, K K, Bogharian, S K, Agulian
openaire   +2 more sources

Fiber technology for reliable repair of skeletal muscle

Journal of Biomedical Materials Research Part B: Applied Biomaterials, 2008
AbstractConventional soft‐tissue reclosure methods—sutures and staples—require substantial organized‐collagen content. Some tissues lack extensive intrinsic collagenous content. Wound disruption consequences range from newly closed abdominal wounds bursting open, to post‐cesarean wombs splitting at delivery, to heart valves loosening.
J E, Franklin, J J, Marler, M T, Byrne, A J, Melvin, S J, Clarson, D B, Melvin   +5 more
openaire   +2 more sources

Sodium currents in human skeletal muscle fibers

Muscle & Nerve, 1982
AbstractSodium currents from human external intercostal muscle fibers were recorded using the Hille‐Campbell voltage clamp method. Sodium currents are analyzed in terms of the m and h parameters of the Hodgkin‐Huxley model. The results indicate that the kinetics and voltage dependence of sodium currents in human skeletal muscle fibers are very similar ...
T E, DeCoursey, S H, Bryant, R J, Lipicky   +2 more
openaire   +2 more sources

Junctional and extrajunctional acetylcholinesterase in skeletal muscle fibers

Chemico-Biological Interactions, 2005
The asymmetric A12 acetylcholinesterase (AChE) molecular form, consisting of three tetrameric catalytic oligomers and three non-catalytic subunits of collagen Q (ColQ), is the functional AChE form in the neuromuscular junction. Its extremely high concentration and sharp localization in the junction is mostly due to the binding of this AChE form to ...
Neva, Crne-Finderle, Peter, Pregelj, Janez, Sketelj   +2 more
openaire   +2 more sources

Skeletal Muscle Fiber Types and Their Vascular Support

Journal of Reconstructive Microsurgery, 1993
Different neural and thyroidal influences on mammalian skeletal muscle result in considerable heterogeneity in muscle-fiber characteristics. Muscle fibers can, nonetheless, be grouped into three relatively homogeneous classes, based primarily on their contractile properties.
R M, McAllister, J F, Amann, M H, Laughlin   +2 more
openaire   +2 more sources

Fiber Types and Size in Equine Skeletal Muscle

American Journal of Veterinary Research, 1976
SUMMARY Frozen sections of equine musculus semitendinosus were examined for myosin adenosine triphosphatase (ATPase) and reduced nicotinamide adenine dinucleotide-tetrazolium reductase (NADH-TR), using standard histochemical procedures, and the proportions of the various fiber types and average fiber sectional size were determined. With ATPase staining,
E D, Aberle, M D, Judge, W W, Kirkham, E H, Page, B H, Crawford   +4 more
openaire   +2 more sources

Abnormal connections between skeletal muscle fibers

Electroencephalography and Clinical Neurophysiology, 1969
Abstract In two apparently healthy subjects EMG findings have been made of a type not previously encountered. The jitter between the muscle fiber action potentials from two different muscle fibers belonging to the same motor unit was only 2–3 μsec (S.D.), which is far less than that normally obtained (10–30 μsec).
J, Ekstedt, E, Stålberg
openaire   +2 more sources

Dynamic shape of tapered skeletal muscle fibers

Journal of Morphology, 1991
AbstractThe muscle fibers of the feline biceps femoris have tapered ends, across which tension is transmitted to the endomysium. The angle of taper of 11 ends, measured on scanning electron micrographs, varied between 0.16° and 1.18°. The muscle fibers are highly variable in cross‐sectional shape.
openaire   +2 more sources

Sarcomeric Oscillations in Frog Skeletal Muscle Fibers

Science, 1968
Brief asynchronous, small-amplitude, cyclic, longitudinal displacements of the striations of frog skeletal muscle fibers were observed with ordinary light microscopy after application of caffeine and certain quaternary ammonium compounds. With time these oscillations became synchronized and evolved into peristaltic-like movements. The oscillations were
L A, Marco, W L, Nastuk
openaire   +2 more sources

Ultrastructural differentiation of skeletal muscle fibers and their diversity

Journal of Ultrastructure Research, 1976
The ultrastructural changes occurring during postnatal differentiation of the plantaris and soleus muscles were investigated in kittens. Neonatal muscle fibers vary somewhat according to maturity as well as Z-line width and relative volume of sarcoplasmic reticulum (variables most characteristic of a given fiber type).
openaire   +2 more sources