Sarcolemma

The sarcolemma is the cell membrane of a muscle cell . It consists of a true cell membrane, called the plasma membrane, and an outer coat made up of a thin layer of polysaccharide material that contains numerous thin collagen fibrils. At each end of the muscle fiber,...
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Aspects of the topic sarcolemma are discussed in the following places at Britannica. Assorted References structure of striated muscle ( in meat processing: Skeletal muscle structure; The plasma membrane of a muscle cell, called the sarcolemma, separates the sarcoplasm (muscle cell cytoplasm) from the extracellular surroundings. Within the sarcoplasm of each...
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A T-tubule is a deep invagination of the sarcolemma, which is the plasma membrane, only found in skeletal and cardiac muscle cells. These invaginations allow depolarization of the membrane to quickly penetrate to the interior of the cell.
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... a role in remodelling of sarcolemma, sarcoplasmic reticulum, and myofibrils. Remodelling of extracellular matrix and sarcolemma as well as changes in signal ...
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... the Na+-Ca2+ exchange activity of cardiac sarcolemma in reconstituted vesicles. ... in reconstituted vesicles from bovine cardiac sarcolemma. J Biol Chem. ...
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To permeabilize the sarcolemma of intact fibres, saponin (Fluka Chem. ... Dystrophin protects the sarcolemma from stresses developed during muscle contraction. ...
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b. t-tubules - invaginations of the sarcolemma ... sarcolemma and t-tubules repolarize. DHP receptors close Ca release channels ...
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... represent KATP channels in sarcolemma of human cardiomyocytes and are ... in inside-out patches from cardiomyocyte sarcolemma,1 2 directly link changes in ...
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... (excitation) of the muscle cell membrane (the sarcolemma) to muscular contraction. ... Regulation sarcolemma function. Regulation SR function ...
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unit protein complex that spans the sarcolemma and ... its multiple sarcolemma- spanning domains. ... show that sarcospan is present at the sarcolemma in normal ...
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Dystrophin is localized to the sarcolemma in association with a highly organized ... dystrophin complex at the sarcolemma, but is secondarily reduced in the absence ...
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... Plate T Tubule Sarcolemma. Terminal Cisternae & Sarcoplasmic ... a. Invaginations of the sarcolemma penetrating deep into the interior of the muscle cell. ...
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... faintly detectable in a patchy distribution along the sarcolemma in our patients. ... disturbance of sarcolemma-extracellular matrix interaction leading to ...
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Contractile function, sarcolemma integrity, and the loss of dystrophin after skeletal ... Costameres at the sarcolemma of keratin-19-null muscle, visualized with ...
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