A band (Q21972776)
The dark-staining region of a sarcomere, in which myosin thick filaments are present; the center is traversed by the paler H zone, which in turn contains the M line.
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other details
aliases Q disc
 A disc
 anisotropic disc
 transverse disc
 GO:0031672
description The dark-staining region of a sarcomere, in which myosin thick filaments are present; the center is traversed by the paler H zone, which in turn contains the M line.

External Links
(P686) GO:0031672
(P1417) science/A-band
(P2892) C0230715