Term Name:	I band
Synonyms:	I disc, isotropic disc, J disc
Definition:	A region of a sarcomere that appears as a light band on each side of the Z disc, comprising a region of the sarcomere where thin (actin) filaments are not overlapped by thick (myosin) filaments; contains actin, troponin, and tropomyosin; each sarcomere includes half of an I band at each end.
Ontology:	GO: Cellular Component [GO:0031674]    QuickGO    AmiGO