Differences in maximum velocity of shortening along single muscle fibres of the frog.
نویسندگان
چکیده
منابع مشابه
A-band shortening in single fibers of frog skeletal muscle.
The question of whether A-bands shorten during contraction was investigated using two methods: high-resolution polarization microscopy and electron microscopy. During shortening from extended sarcomere lengths in the passive state, sarcomere-length changes were essentially accounted for by I-band shortening. During active shortening under otherwise identical conditions, the sarcomere length cha...
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15 صفحه اولEvidence that the velocity of sarcomere shortening in single frog atrial cardiac cells is load dependent.
Recent experiments using laser diffraction techniques to determine the time course and extent of sarcomere shortening in thin bundles of cardial tissue have given results which suggest that the velocity of sarcomere shortening in cardiac muscle is independent of the developed force (Nassar et al., 1974; Krueger and Pollack, 1975). However, the anatomical complexity of the intact tissue preclude...
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ژورنال
عنوان ژورنال: The Journal of Physiology
سال: 1985
ISSN: 0022-3751
DOI: 10.1113/jphysiol.1985.sp015764