Cellular component
M line
| Definition | In electron micrographs of the sarcomere, the M line appears as a series of parallel electron-dense lines in the central zone of the A band impliing that the M line is needed for the regular packing of the thick filaments. The M line maintains the myosin filaments in a hexagonal lattice. |
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| Synonyms |
M-line
M-band
M band
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| Category | › Cellular component
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| GO | › M band [ GO:0031430 ]
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| See also | › http://www.sarcomere.org/
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| Graphical | 
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