Term: heart myocardium
Name: heart
Synonyms:
Definition: Blood pumping organ composed of four components: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus.
Ontology: Anatomy Ontology [ZFA:0000114]

Name: myocardium
Synonyms: cardiac muscle, heart muscle
Definition:
Ontology: Anatomy Ontology [ZFA:0001319]