Interdigitation of actin and myosin filaments

Interdigitation of actin and myosin filaments

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Credit: DON FAWCETT/SCIENCE PHOTO LIBRARY

Caption: colour enchanced micrograph of the region of interdigitation of actin and myosin filaments at the end of the A-band. The unfixed muscle was quickly frozen using liquid helium, then fractured and deep-etched. Cross bridges between the myosin and actin filaments are clearly visable. A fine axial periodicity can be seen in the actin filaments fo the I-band at the left of the figure. Enhancement of 9c3453.

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Keywords: a band, actin, anatomy, body, filament, filaments, human, i band, i-band, interdigitation, micrograph, micrographs, micrography, muscle, muscles, myosin, region of interdigitation

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