A portion of cardiac muscle tissue that is part of a left atrium [Automatically generated definition]. [ OBOL:automatic ]
Synonyms: left atrium myocardium cardiac muscle of heart left atrium cardiac left atrium cardiac muscle textus muscularis of myocardium of left cardiac atrium cardiac left atrium cardiac muscle tissue cardiac muscle of left atrium of heart cardiac muscle of cardiac left atrium textus muscularis of myocardium of cardiac left atrium textus muscularis of myocardium of left atrium myocardium of left atrium textus muscularis of myocardium of left atrium of heart textus muscularis of myocardium of heart left atrium left atrium heart muscle