Term Name:	cardiac muscle cell
Synonyms:	cardiac muscle fiber, cardiac myocyte, cardiocyte, cardiomyocyte, heart muscle cell
Definition:	Cardiac muscle cells are striated muscle cells that are responsible for heart contraction. In mammals, the contractile fiber resembles those of skeletal muscle but are only one third as large in diameter, are richer in sarcoplasm, and contain centrally located instead of peripheral nuclei.
Ontology:	Cell Ontology [CL:0000746]