Term: heart rudiment cardiac muscle cell
Name: heart rudiment
Synonyms: heart cone, rudimentary heart
Definition: The migrating myocardial precursors of the heart rudiment form a cone like structure between 19.5 hpf and 22 hpf, and eventually telescope out into the primitive heart tube at 24hpf.
Ontology: Anatomy Ontology [ZFA:0000115]

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