animal organ development
 |__heart development___________________
muscle tissue development               |
 |__striated muscle tissue development__|
circulatory system development          |
 |__heart development___________________|
                                        cardiac muscle tissue development  12 rec.
                                         |__atrial cardiac muscle tissue development
                                         |   |__atrial cardiac muscle tissue morphogenesis
                                         |   |__sinoatrial node development(+)
                                         |__atrioventricular node development
                                         |   |__atrioventricular node cell differentiation(+)
                                         |__cardiac conduction system development
                                         |   |__atrioventricular node development
                                         |   |__His-Purkinje system development(+)
                                         |   |__sinoatrial node development(+)
                                         |__cardiac muscle cell differentiation 6 rec.
                                         |   |__atrial cardiac muscle cell differentiation(+)
                                         |   |__cardiac muscle cell development(+) 5 rec.
                                         |   |__cardiac muscle cell fate commitment(+)
                                         |   |__cardiac pacemaker cell differentiation(+)
                                         |   |__His-Purkinje system cell differentiation(+)
                                         |   |__regulation of cardiac muscle cell differentiation(+) 1 rec.
                                         |   |__ventricular cardiac muscle cell differentiation(+)
                                         |__cardiac muscle tissue growth
                                         |   |__cardiac muscle cell proliferation(+)
                                         |   |__cardiac muscle tissue growth involved in heart morphogenesis(+)
                                         |   |__physiological cardiac muscle hypertrophy(+)
                                         |   |__regulation of cardiac muscle tissue growth(+)
                                         |__cardiac muscle tissue morphogenesis
                                         |   |__atrial cardiac muscle tissue morphogenesis
                                         |   |__cardiac muscle tissue growth involved in heart morphogenesis(+)
                                         |   |__ventricular cardiac muscle tissue morphogenesis(+)
                                         |__regulation of cardiac muscle tissue development 1 rec.
                                         |   |__negative regulation of cardiac muscle tissue development
                                         |   |__positive regulation of cardiac muscle tissue development
                                         |__ventricular cardiac muscle tissue development
                                             |__bundle of His development(+)
                                             |__His-Purkinje system development(+)
                                             |__Purkinje myocyte development(+)
                                             |__ventricular cardiac muscle tissue morphogenesis(+)