part of ventricular cardiac muscle cell differentiation cardiac muscle cell fate commitment ventricular cardiac muscle cell fate commitment dph GO:0060925 2009-09-29T11:49:39Z ventricular heart muscle cell fate commitment biological_process ventricular cardiomyocyte cell fate commitment The commitment of cells to ventricular cardiac muscle cell fates and their capacity to differentiate into cardiac muscle cells of the ventricle. Cardiac muscle cells are striated muscle cells that are responsible for heart contraction.