T. Clark Brelje, Ph.D.
University of Minnesota
Department of Genetics, Cell Biology and Development
6-160 Jackson Hall
321 Church St SE
Minneapolis, MN 55455
Robert L. Sorenson, Ph.D.
University of Minnesota
Department of Genetics, Cell Biology and Development
6-160 Jackson Hall
321 Church St SE
Minneapolis, MN 55455
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Skeletal muscle cell showing the motor end plate after removal of the innervating nerve (SEM).
Motor End Plate (purple) - a depression of the sarcolemma (synaptic trough) with invaginations (post junctional folds) that increase the surface area of the membrane exposed in the synaptic cleaft/li>
Nuclei (#1and #2; grayscale) - flattened nuclei found between the myofibrils and the sarcolemma
Striations of myofibrils are visible through the sacrolemma
Satellite Cell (yellow) - small, flattened cells found on the surface of skeletal muscle fibers. Stem cells for the differentiation of additional muscle cells during growth or repair.