Term: heart muscle cell
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: muscle cell
Synonyms: myocyte, myofiber
Definition: A mature contractile cell, commonly known as a myocyte, that forms one of three kinds of muscle.
Ontology: Anatomy Ontology [ZFA:0009114]