A bands

the dark-staining anisotropic cross striations in the myofibrils of muscle fibers, comprising regions of overlapping thick (myosin) and thin (actin) filaments.

Synonym(s): A discs, anisotropic discs, Q bands (1) , Q discs

References in classic literature ?

At the Sign of the Blue Boar he found a band of the Sheriffs men drinking right lustily; so, without speaking to anyone, he sat down upon a distant bench, his staff in his hand, and his head bowed forward as though he were meditating.

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To waylay and harass a band of trappers with their pack-horses, when embarrassed in the rugged defiles of the mountains, has become as favorite an exploit with these Indians as the plunder of a caravan to the Arab of the desert.

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They saw approaching down the street a band of musicians, playing as hard and loud as they could, while the people of the Emerald City crowded the sidewalks and cheered so lustily that they almost drowned the noise of the drums and horns.