OntologiesgoclassesGO:0031672   
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A band
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.

Also appears inwbphenotypegexozpccoreto + 4
Exact Synonyms
A disc
anisotropic disc
Q disc
transverse disc