OntologiesccoclassesGO:0031672   
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A bandImported
http://purl.obolibrary.org/obo/GO_0031672

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.

Defined bygo
Also appears inwbphenotypegexozpretomp + 3