M line

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M line

A fine dark band in the center of the H band in the myofibrils of striated muscle fibers. Also called M band.

M line

a histological structure in myofibrils in skeletal muscle. The line runs transversely to the length of the myofibrils and corresponds to the segment occupied by myosin myofilaments.

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M & B 693
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M'Fadyean's reaction
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