Term: cardiac conduction system cardiac muscle cell
Name: cardiac conduction system
Synonyms: cardiac pacemaker, central conduction system
Definition: Anatomical system located in the heart that initiates and propagates heart contraction. The cardiac pacemaker.
Ontology: Anatomy Ontology [ZFA:0005063]

Name: cardiac muscle cell
Synonyms: cardiac muscle cells, cardiac myocyte, cardiomyocyte
Definition:
Ontology: Anatomy Ontology [ZFA:0009316]