Term Name:	A band
Synonyms:	A disc, anisotropic disc, Q disc, transverse disc
Definition:	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.
Ontology:	GO: Cellular Component [GO:0031672]    QuickGO    AmiGO